Csharp/C Sharp/GUI Windows Form/Form Frame Window — различия между версиями

Текущая версия на 11:33, 26 мая 2010

Содержание

1 Add controls to a form
2 Add control to a form window
3 A form-based Windows Skeleton
4 Assign Form window default value
5 Auto scroll form window
6 AutoScrollPosition
7 Center form window
8 Change Form window background
9 Change Form window ownership
10 Change the background and text colors of a form using Color Dialog
11 Create Graphics Object from form window handle
12 Demonstrates creating a form in a console program
13 Draw image based on the window size
14 Form for data input
15 Form hide
16 FormStartPosition.CenterScreen
17 Login from
18 makes a new window out of a graphics path that has been traced on this forms space
19 Print out Form size and position related information
20 Set ClientSize to change the form window size
21 Set Form window title and center the Form window on the desktop
22 Set ResizeRedraw property
23 Simple form
24 Simplest form code: set window title
25 Use Font from Form to paint string on a form
26 Windows Forms Getting Started

Add controls to a form

/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace AddControls
{
  /// <summary>
  /// Summary description for AddControls.
  /// </summary>
  public class AddControls : System.Windows.Forms.Form
  {
    private System.Windows.Forms.ListBox listBox1;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.TextBox textBox1;
    private System.Windows.Forms.Button button2;
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ruponentModel.Container components = null;
    public AddControls()
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();
      //
      // TODO: Add any constructor code after InitializeComponent call
      //
    }
    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }
    #region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
      this.button2 = new System.Windows.Forms.Button();
      this.textBox1 = new System.Windows.Forms.TextBox();
      this.button1 = new System.Windows.Forms.Button();
      this.listBox1 = new System.Windows.Forms.ListBox();
      this.SuspendLayout();
      // 
      // button2
      // 
      this.button2.Location = new System.Drawing.Point(160, 240);
      this.button2.Name = "button2";
      this.button2.Size = new System.Drawing.Size(96, 24);
      this.button2.TabIndex = 3;
      this.button2.Text = "Cancel";
      this.button2.Click += new System.EventHandler(this.button2_Click);
      // 
      // textBox1
      // 
      this.textBox1.Location = new System.Drawing.Point(38, 200);
      this.textBox1.Name = "textBox1";
      this.textBox1.Size = new System.Drawing.Size(216, 20);
      this.textBox1.TabIndex = 1;
      this.textBox1.Text = "";
      // 
      // button1
      // 
      this.button1.Location = new System.Drawing.Point(48, 240);
      this.button1.Name = "button1";
      this.button1.Size = new System.Drawing.Size(80, 24);
      this.button1.TabIndex = 2;
      this.button1.Text = "Add Item";
      this.button1.Click += new System.EventHandler(this.button1_Click);
      // 
      // listBox1
      // 
      this.listBox1.Location = new System.Drawing.Point(38, 32);
      this.listBox1.Name = "listBox1";
      this.listBox1.Size = new System.Drawing.Size(216, 147);
      this.listBox1.TabIndex = 0;
      // 
      // Form1
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.button2,
                                      this.button1,
                                      this.textBox1,
                                      this.listBox1});
      this.Name = "AddControls";
      this.Text = "AddControls";
      this.ResumeLayout(false);
    }
    #endregion
    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() 
    {
      Application.Run(new AddControls());
    }
    private void button1_Click(object sender, System.EventArgs e)
    {
      if (textBox1.Text == "")
        return;
      string strAdd = textBox1.Text;
      if (listBox1.FindString (strAdd, -1) < 0)
      {
        listBox1.Items.Add (strAdd);
        textBox1.Text = "";
        textBox1.Focus ();
        return;
      }
      MessageBox.Show ("\"" + strAdd + "\" is already in the list box", "Duplicate");
    }
    private void button2_Click(object sender, System.EventArgs e)
    {
      Application.Exit();
    }
  }
}

Add control to a form window

using System;
using System.Windows.Forms;
using System.Drawing;
public class PushMe2 : Form {
  Button pushMeButton;
  public PushMe2() {
    pushMeButton = new Button(); 
    pushMeButton.Text = "Push Me";
    pushMeButton.Height = 60;
    pushMeButton.Width = 80;
    pushMeButton.Top = 60;
    pushMeButton.Left = 60;
    pushMeButton.Click += new EventHandler(ButtonClicked);
    this.Controls.Add(pushMeButton);
    this.Height = 200;
    this.Width = 200;
    this.StartPosition = FormStartPosition.CenterScreen;
    this.Visible = true;
  }
  public void ButtonClicked(object source, EventArgs e) {
    Button b = (Button)source;
    if ( b.Text == "Push Me" ) {
      b.Text = "Ouch";
    }
    else {
      b.Text = "Push Me";
    }
  }
  static void Main() {
    Application.Run(new PushMe2());
  }
}

A form-based Windows Skeleton

// A form-based Windows Skeleton. 
 
using System; 
using System.Windows.Forms; 
 
// WinSkel is derived from Form. 
public class WinSkel : Form { 
 
  public WinSkel() { 
    // Give the window a name. 
    Text = "A Windows Skeleton"; 
  }   
 
  // Main is used only to start the application. 
  [STAThread] 
  public static void Main() { 
    WinSkel skel = new WinSkel(); // create a form 
 
    // Start the window running. 
    Application.Run(skel); 
  } 
}

Assign Form window default value

using System;
using System.Drawing;
using System.Windows.Forms;
public class EnterPrice : Form {
  private Button enter = new Button();
  private Label answer = new Label();
  private TextBox text = new TextBox( );
  public EnterPrice( ) {
    enter.Text = "Enter Price";
    text.Text = "";
    answer.Text = "";
    Size = new Size(300,200);
    answer.Size = new Size(200,50);
    enter.Location = new Point(30 + enter.Width, 30);
    text.Location = new Point (40 + enter.Width + enter.Width, 30);
    answer.Location = new Point(20, 60);
    AcceptButton = enter;
    Controls.Add(text);
    Controls.Add(answer);
    Controls.Add(enter);
    enter.Click += new EventHandler(Enter_Click);
  }
  protected void Enter_Click(Object sender, EventArgs e) {
    try{
    Console.WriteLine(Double.Parse(text.Text));
    }catch(Exception){
    }
    text.Text = "";
    text.Focus();
  }
  static void Main() {
    Application.Run(new EnterPrice());
  }
}

Auto scroll form window

  using System;
  using System.Drawing;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    private System.Windows.Forms.Label label1;
    private System.ruponentModel.Container components;
  
    public Form1()
    {
      InitializeComponent();
    }
    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }
    private void InitializeComponent()
    {
      this.label1 = new System.Windows.Forms.Label();
      this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F);
      this.label1.Location = new System.Drawing.Point(16, 16);
      this.label1.Size = new System.Drawing.Size(376, 224);
      this.label1.TabIndex = 0;
      this.label1.Text = "Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text ";
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.AutoScroll = true;
      this.AutoScrollMinSize = new System.Drawing.Size(300, 300);
      this.ClientSize = new System.Drawing.Size(403, 256);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {this.label1});
      this.Text = "Form1";
    }
    [STAThread]
    static void Main() 
    {
      Application.Run(new Form1());
    }
  }

AutoScrollPosition

 

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
public class Form1 : Form {
    private Rectangle rectangleBounds = new Rectangle(new Point(0, 0), new Size(200, 200));
    private Rectangle ellipseBounds = new Rectangle(new Point(50, 200), new Size(200, 150));
    private Pen bluePen = new Pen(Color.Blue, 3);
    private Pen redPen = new Pen(Color.Red, 2);
    private Brush solidAzureBrush = Brushes.Azure;
    private Brush solidYellowBrush = new SolidBrush(Color.Yellow);
    static private Brush brickBrush = new HatchBrush(HatchStyle.DiagonalBrick,Color.DarkGoldenrod, Color.Cyan);
    private Pen brickWidePen = new Pen(brickBrush, 10);
    public Form1() {
    }
    protected override void OnPaint(PaintEventArgs e) {
        base.OnPaint(e);
        Graphics dc = e.Graphics;
        Point scrollOffset = this.AutoScrollPosition;
        dc.TranslateTransform(scrollOffset.X, scrollOffset.Y);
        if (e.ClipRectangle.Top + scrollOffset.X < 350 ||
            e.ClipRectangle.Left + scrollOffset.Y < 250) {
            dc.DrawRectangle(bluePen, rectangleBounds);
            dc.FillRectangle(solidYellowBrush, rectangleBounds);
            dc.DrawEllipse(redPen, ellipseBounds);
            dc.FillEllipse(solidAzureBrush, ellipseBounds);
            dc.DrawLine(brickWidePen, rectangleBounds.Location,ellipseBounds.Location + ellipseBounds.Size);
        }
    }
    public static void Main() {
        Application.Run(new Form1());
    }
}

Center form window

  using System;
  using System.Drawing;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    private Button myButton; 
    public Form1()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
        
            this.StartPosition=FormStartPosition.CenterScreen;
//      CenterToScreen();
      myButton = new Button();
      myButton.Text = "www.nfex.ru";
      myButton.Location = new System.Drawing.Point(64, 32);
      myButton.Size = new System.Drawing.Size(150, 50);
      Controls.Add(myButton);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
  }

Change Form window background

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class Form1 : System.Windows.Forms.Form{
    private System.ruponentModel.IContainer components;
  public Form1(){
    InitializeComponent();
  }

  #region Windows Form Designer generated code
  private void InitializeComponent(){
      this.ruponents = new System.ruponentModel.Container();
      this.timer1 = new System.Windows.Forms.Timer(this.ruponents);
      this.timer1.Enabled = true;
      this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
      this.AutoScaleBaseSize = new System.Drawing.Size(6, 15);
      this.ClientSize = new System.Drawing.Size(292, 260);
      this.Name = "Form1";
      this.Text = "LinearGradientBrush Demo";
      this.Load += new System.EventHandler(this.Form1_Load);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
  #endregion
  static void Main(){
    Application.Run(new Form1());
  }
    private void Form1_Load(object sender, System.EventArgs e) {
      this.BackColor = Color.FromArgb(255, 0, 0, 255);  
    }
    private System.Windows.Forms.Timer timer1;
    private float angle = 0;
    private LinearGradientBrush GetBrush()
    {
      return new LinearGradientBrush(
        new Rectangle( 20, 20, 200, 100),
        Color.Orange,
        Color.Yellow,
        0.0F,
        true);
    }

    private void Rotate( Graphics graphics, LinearGradientBrush brush )
    {
      brush.RotateTransform(angle);
      brush.SetBlendTriangularShape(.5F);
      graphics.FillRectangle(brush, brush.Rectangle);
    }
    private void Rotate(Graphics graphics)
    {
      angle += 5 % 360;
      Rotate(graphics, GetBrush());
    }
    private void timer1_Tick(object sender, System.EventArgs e)
    {
      Rotate(CreateGraphics());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
      Rotate(e.Graphics);
    }
}

Change Form window ownership

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class ChildForm : Form
{
  public System.Windows.Forms.Label lblState;
  public ChildForm()
  {
    InitializeComponent();
  }
  private void InitializeComponent()
  {
    this.lblState = new System.Windows.Forms.Label();
    this.SuspendLayout();
    // 
    // lblState
    // 
    this.lblState.Location = new System.Drawing.Point(26, 24);
    this.lblState.Name = "lblState";
    this.lblState.Size = new System.Drawing.Size(184, 56);
    this.lblState.TabIndex = 2;
    // 
    // ChildForm
    // 
    this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
    this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
    this.ClientSize = new System.Drawing.Size(236, 104);
    this.Controls.Add(this.lblState);
    this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
    this.Name = "ChildForm";
    this.Text = "ChildForm";
    this.ResumeLayout(false);
  }
  
}
public class ParentForm : Form{
  private System.Windows.Forms.Button cmdReleaseOwnership;
  private System.Windows.Forms.Button cmdAddOwnership;
  public ParentForm()
  {
    InitializeComponent();
    frmOwned.Show();
  }
  private ChildForm frmOwned = new ChildForm();

  private void cmdAddOwnership_Click(object sender, System.EventArgs e)
  {
    this.AddOwnedForm(frmOwned);
    frmOwned.lblState.Text = "Owned. Minimize me to see the difference.";
  }
  private void cmdReleaseOwnership_Click(object sender, System.EventArgs e)
  {
    this.RemoveOwnedForm(frmOwned);
    frmOwned.lblState.Text = "Not owned! Minimize me to see the difference.";
  }
  private void InitializeComponent()
  {
    this.cmdReleaseOwnership = new System.Windows.Forms.Button();
    this.cmdAddOwnership = new System.Windows.Forms.Button();
    this.SuspendLayout();
    // 
    // cmdReleaseOwnership
    // 
    this.cmdReleaseOwnership.FlatStyle = System.Windows.Forms.FlatStyle.System;
    this.cmdReleaseOwnership.Location = new System.Drawing.Point(150, 197);
    this.cmdReleaseOwnership.Name = "cmdReleaseOwnership";
    this.cmdReleaseOwnership.Size = new System.Drawing.Size(128, 32);
    this.cmdReleaseOwnership.TabIndex = 6;
    this.cmdReleaseOwnership.Text = "Remove Ownership";
    this.cmdReleaseOwnership.Click += new System.EventHandler(this.cmdReleaseOwnership_Click);
    // 
    // cmdAddOwnership
    // 
    this.cmdAddOwnership.FlatStyle = System.Windows.Forms.FlatStyle.System;
    this.cmdAddOwnership.Location = new System.Drawing.Point(14, 197);
    this.cmdAddOwnership.Name = "cmdAddOwnership";
    this.cmdAddOwnership.Size = new System.Drawing.Size(120, 32);
    this.cmdAddOwnership.TabIndex = 5;
    this.cmdAddOwnership.Text = "Set Ownership";
    this.cmdAddOwnership.Click += new System.EventHandler(this.cmdAddOwnership_Click);
    // 
    // ParentForm
    // 
    this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
    this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
    this.ClientSize = new System.Drawing.Size(292, 266);
    this.Controls.Add(this.cmdReleaseOwnership);
    this.Controls.Add(this.cmdAddOwnership);
    this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
    this.Name = "ParentForm";
    this.Text = "Owner";
//    this.Load += new System.EventHandler(this.ParentForm_Load);
    this.ResumeLayout(false);
  }
  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new ParentForm());
  }
}

Change the background and text colors of a form using Color Dialog

using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;

   public class ShowColorsComplex : System.Windows.Forms.Form
   {
      private System.Windows.Forms.Button backgroundColorButton;
      private System.Windows.Forms.Button textColorButton;
      public ShowColorsComplex()
      {
         InitializeComponent();
      }
      private void InitializeComponent()
      {
         this.backgroundColorButton = new System.Windows.Forms.Button();
         this.textColorButton = new System.Windows.Forms.Button();
         this.SuspendLayout();
         // 
         // backgroundColorButton
         // 
         this.backgroundColorButton.Location = new System.Drawing.Point(16, 16);
         this.backgroundColorButton.Name = "backgroundColorButton";
         this.backgroundColorButton.Size = new System.Drawing.Size(264, 32);
         this.backgroundColorButton.TabIndex = 0;
         this.backgroundColorButton.Text = "Change Background Color";
         this.backgroundColorButton.Click += new System.EventHandler(this.backgroundColorButton_Click);
         // 
         // textColorButton
         // 
         this.textColorButton.Location = new System.Drawing.Point(16, 64);
         this.textColorButton.Name = "textColorButton";
         this.textColorButton.Size = new System.Drawing.Size(264, 32);
         this.textColorButton.TabIndex = 1;
         this.textColorButton.Text = "Change Text Color";
         this.textColorButton.Click += new System.EventHandler(this.textColorButton_Click);
         // 
         // ShowColorsComplex
         // 
         this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
         this.ClientSize = new System.Drawing.Size(292, 109);
         this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                      this.textColorButton,
                                                                      this.backgroundColorButton});
         this.Name = "ShowColorsComplex";
         this.Text = "ShowColorsComplex";
         this.ResumeLayout(false);
      }
      static void Main() 
      {
         Application.Run( new ShowColorsComplex() );
      }
      private void textColorButton_Click(object sender, System.EventArgs e ){
         ColorDialog colorChooser = new ColorDialog();
         DialogResult result;
         result = colorChooser.ShowDialog();
         if ( result == DialogResult.Cancel )
            return;
         
         backgroundColorButton.ForeColor = colorChooser.Color;
         textColorButton.ForeColor = colorChooser.Color;
      }
      private void backgroundColorButton_Click(object sender, System.EventArgs e ){
         ColorDialog colorChooser = new ColorDialog();
         DialogResult result;
         colorChooser.FullOpen = true;
         result = colorChooser.ShowDialog();
         if ( result == DialogResult.Cancel )
            return;
         this.BackColor = colorChooser.Color;
      }
   }

Create Graphics Object from form window handle

using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class Form1 : System.Windows.Forms.Form {
    private System.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.CheckBox checkBox1;
    private System.Windows.Forms.CheckBox checkBox2;
    private System.Windows.Forms.CheckBox checkBox3;
    private System.Windows.Forms.RadioButton radioButton1;
    private System.Windows.Forms.RadioButton radioButton2;
    private System.Windows.Forms.RadioButton radioButton3;
    private System.Windows.Forms.Button button1;
    private System.ruponentModel.Container components = null;
    public Form1() {
      InitializeComponent();
    }
    private void InitializeComponent() {
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.checkBox1 = new System.Windows.Forms.CheckBox();
            this.checkBox2 = new System.Windows.Forms.CheckBox();
            this.checkBox3 = new System.Windows.Forms.CheckBox();
            this.radioButton1 = new System.Windows.Forms.RadioButton();
            this.radioButton2 = new System.Windows.Forms.RadioButton();
            this.radioButton3 = new System.Windows.Forms.RadioButton();
            this.button1 = new System.Windows.Forms.Button();
            this.groupBox1.SuspendLayout();
            this.SuspendLayout();
            // 
            // groupBox1
            // 
            this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                                    this.radioButton1,
                                                                                    this.radioButton2,
                                                                                    this.radioButton3});
            this.groupBox1.Location = new System.Drawing.Point(8, 120);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(120, 144);
            this.groupBox1.TabIndex = 0;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "Color";
            this.groupBox1.Enter += new System.EventHandler(this.groupBox1_Enter);
            // 
            // checkBox1
            // 
            this.checkBox1.Location = new System.Drawing.Point(8, 8);
            this.checkBox1.Name = "checkBox1";
            this.checkBox1.TabIndex = 1;
            this.checkBox1.Text = "Circle";
            // 
            // checkBox2
            // 
            this.checkBox2.Location = new System.Drawing.Point(8, 40);
            this.checkBox2.Name = "checkBox2";
            this.checkBox2.TabIndex = 2;
            this.checkBox2.Text = "Rectangle";
            // 
            // checkBox3
            // 
            this.checkBox3.Location = new System.Drawing.Point(8, 72);
            this.checkBox3.Name = "checkBox3";
            this.checkBox3.TabIndex = 3;
            this.checkBox3.Text = "String";
            // 
            // radioButton1
            // 
            this.radioButton1.Location = new System.Drawing.Point(8, 32);
            this.radioButton1.Name = "radioButton1";
            this.radioButton1.TabIndex = 4;
            this.radioButton1.Text = "Red";
            this.radioButton1.CheckedChanged += new System.EventHandler(this.radioButton1_CheckedChanged);
            // 
            // radioButton2
            // 
            this.radioButton2.Location = new System.Drawing.Point(8, 64);
            this.radioButton2.Name = "radioButton2";
            this.radioButton2.TabIndex = 5;
            this.radioButton2.Text = "Green";
            // 
            // radioButton3
            // 
            this.radioButton3.Location = new System.Drawing.Point(8, 96);
            this.radioButton3.Name = "radioButton3";
            this.radioButton3.TabIndex = 6;
            this.radioButton3.Text = "Blue";
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(8, 280);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(112, 32);
            this.button1.TabIndex = 4;
            this.button1.Text = "Draw";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(408, 317);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.button1,
                                                                          this.checkBox3,
                                                                          this.checkBox2,
                                                                          this.checkBox1,
                                                                          this.groupBox1});
            this.Name = "Form1";
            this.Text = "CheckBox and RadioButton Sample";
            this.groupBox1.ResumeLayout(false);
            this.ResumeLayout(false);
        }
        [STAThread]
        static void Main() 
        {
            Application.Run(new Form1());
        }
        private void groupBox1_Enter(object sender, System.EventArgs e)
        {
           Console.WriteLine("group box enter event");
        }
        private void radioButton1_CheckedChanged(object sender, System.EventArgs e)
        {
           Console.WriteLine("Radio Button checked changed event");
        }
        private void button1_Click(object sender, System.EventArgs e)
        {
            Graphics g = Graphics.FromHwnd(this.Handle);
            String str = "";
            Rectangle rc = new Rectangle(150, 50, 250, 250);
            
            if(radioButton1.Checked)
            {
                str = "red";
            }
            if(radioButton2.Checked)
            {
                str+="Green";
            }
            if(radioButton3.Checked)
            {
                str+="Blue";
            }
            if (checkBox1.Checked)
            {
                str+="Ellipse";
            }
            if (checkBox2.Checked)
            {
                str += "Rectangle";
            }
            if (checkBox3.Checked)
            {
                g.FillRectangle(new SolidBrush(Color.White), rc);
                g.DrawString(str, new Font("Verdana", 12), new SolidBrush(Color.Black), rc);
            }
            
        }
    }

Demonstrates creating a form in a console program

/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
// Form.cs -- Demonstrates creating a form in a console program
//
//            Compile this program with the following command line:
//                C:>csc Form.cs
using System;
using System.Windows.Forms;
namespace nsForm
{
    public class clsMainForm
    {
        static public void Main ()
        {
            Application.Run(new Form());
        }
    }
}

Draw image based on the window size

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      Bitmap bmp = new Bitmap("winter.jpg");
      Rectangle r = new Rectangle(0, 0, bmp.Width, bmp.Height);
      g.DrawImage(bmp, this.ClientRectangle);
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Form for data input

/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace Employee
{
  /// <summary>
  /// Summary description for Form1.
  /// </summary>
  public class EmployeeForm1 : System.Windows.Forms.Form
  {
    private System.Windows.Forms.ListBox listBox1;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.Button button2;
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ruponentModel.Container components = null;
    public EmployeeForm1()
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();
      //
      // TODO: Add any constructor code after InitializeComponent call
      //
    }
    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    protected void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }
    #region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
      this.button1 = new System.Windows.Forms.Button();
      this.button2 = new System.Windows.Forms.Button();
      this.listBox1 = new System.Windows.Forms.ListBox();
      this.SuspendLayout();
      // 
      // button1
      // 
      this.button1.Location = new System.Drawing.Point(48, 240);
      this.button1.Name = "button1";
      this.button1.Size = new System.Drawing.Size(80, 24);
      this.button1.TabIndex = 2;
      this.button1.Text = "Add Item";
      this.button1.Click += new System.EventHandler(this.button1_Click);
      // 
      // button2
      // 
      this.button2.Location = new System.Drawing.Point(160, 240);
      this.button2.Name = "button2";
      this.button2.Size = new System.Drawing.Size(96, 24);
      this.button2.TabIndex = 3;
      this.button2.Text = "Cancel";
      this.button2.Click += new System.EventHandler(this.button2_Click);
      // 
      // listBox1
      // 
      this.listBox1.Location = new System.Drawing.Point(38, 32);
      this.listBox1.Name = "listBox1";
      this.listBox1.Size = new System.Drawing.Size(216, 186);
      this.listBox1.TabIndex = 0;
      this.listBox1.DoubleClick += new System.EventHandler(this.listBox1_OnDoubleClick);
      // 
      // Form1
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.listBox1,
                                      this.button2,
                                      this.button1});
      this.Name = "Form1";
      this.Text = "Form1";
      this.ResumeLayout(false);
    }
    #endregion
    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() 
    {
      Application.Run(new EmployeeForm1());
    }
    private void button1_Click(object sender, System.EventArgs e)
    {
      EMPLOYEE emp = new EMPLOYEE();
      EmpForm eform = new EmpForm (emp);
      if (eform.ShowDialog (this) == DialogResult.Cancel)
        return;
      eform.GetEmployeeData (out emp);
      listBox1.Items.Add (emp);
    }
    private void button2_Click(object sender, System.EventArgs e)
    {
      Application.Exit ();
    }
    private void listBox1_OnDoubleClick(object sender, System.EventArgs e)
    {
      int index = listBox1.SelectedIndex;
      if (index < 0)
        return;
      EMPLOYEE emp = (EMPLOYEE) listBox1.Items[index];
      EmpForm eform = new EmpForm (emp);
      if (eform.ShowDialog (this) == DialogResult.Cancel)
        return;
      eform.GetEmployeeData (out emp);
      listBox1.Items.RemoveAt (index);
      listBox1.Items.Insert (index,emp);
    }
  }
  public struct EMPLOYEE
  {
    public string  FirstName;
    public string  LastName;
    public string  Address;
    public string  City;
    public string  State;
    public string  Zip;
    public override string ToString ()
    {
      return (LastName + ", " + FirstName);
    }
  }
  /// <summary>
  /// Summary description for EmpForm.
  /// </summary>
  public class EmpForm : System.Windows.Forms.Form
  {
    private System.Windows.Forms.TextBox textBox1;
    private System.Windows.Forms.TextBox textBox2;
    private System.Windows.Forms.TextBox textBox3;
    private System.Windows.Forms.TextBox textBox4;
    private System.Windows.Forms.TextBox textBox5;
    private System.Windows.Forms.TextBox textBox6;
    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.Label label2;
    private System.Windows.Forms.Label label3;
    private System.Windows.Forms.Label label4;
    private System.Windows.Forms.Label label5;
    private System.Windows.Forms.Label label6;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.Button button2;
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ruponentModel.Container components = null;
    public EmpForm(EMPLOYEE emp)
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();
      //
      // TODO: Add any constructor code after InitializeComponent call
      //
      textBox1.Text = emp.FirstName;
      textBox2.Text = emp.LastName;
      textBox3.Text = emp.Address;
      textBox4.Text = emp.City;
      textBox5.Text = emp.State;
      textBox6.Text = emp.Zip;
    }
    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if(components != null)
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }
    #region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
      this.textBox4 = new System.Windows.Forms.TextBox();
      this.label1 = new System.Windows.Forms.Label();
      this.label2 = new System.Windows.Forms.Label();
      this.label3 = new System.Windows.Forms.Label();
      this.textBox5 = new System.Windows.Forms.TextBox();
      this.button1 = new System.Windows.Forms.Button();
      this.button2 = new System.Windows.Forms.Button();
      this.label5 = new System.Windows.Forms.Label();
      this.label6 = new System.Windows.Forms.Label();
      this.textBox2 = new System.Windows.Forms.TextBox();
      this.textBox3 = new System.Windows.Forms.TextBox();
      this.label4 = new System.Windows.Forms.Label();
      this.textBox1 = new System.Windows.Forms.TextBox();
      this.textBox6 = new System.Windows.Forms.TextBox();
      this.SuspendLayout();
      // 
      // textBox4
      // 
      this.textBox4.Location = new System.Drawing.Point(16, 182);
      this.textBox4.Name = "textBox4";
      this.textBox4.Size = new System.Drawing.Size(120, 20);
      this.textBox4.TabIndex = 3;
      this.textBox4.Text = "";
      // 
      // label1
      // 
      this.label1.Location = new System.Drawing.Point(16, 16);
      this.label1.Name = "label1";
      this.label1.Size = new System.Drawing.Size(136, 16);
      this.label1.TabIndex = 8;
      this.label1.Text = "First Name";
      // 
      // label2
      // 
      this.label2.Location = new System.Drawing.Point(16, 64);
      this.label2.Name = "label2";
      this.label2.Size = new System.Drawing.Size(128, 16);
      this.label2.TabIndex = 9;
      this.label2.Text = "Last Name";
      // 
      // label3
      // 
      this.label3.Location = new System.Drawing.Point(16, 109);
      this.label3.Name = "label3";
      this.label3.Size = new System.Drawing.Size(120, 19);
      this.label3.TabIndex = 10;
      this.label3.Text = "Address";
      // 
      // textBox5
      // 
      this.textBox5.Location = new System.Drawing.Point(168, 184);
      this.textBox5.Name = "textBox5";
      this.textBox5.Size = new System.Drawing.Size(32, 20);
      this.textBox5.TabIndex = 4;
      this.textBox5.Text = "";
      // 
      // button1
      // 
      this.button1.DialogResult = System.Windows.Forms.DialogResult.OK;
      this.button1.Location = new System.Drawing.Point(48, 224);
      this.button1.Name = "button1";
      this.button1.TabIndex = 6;
      this.button1.Text = "OK";
      this.button1.Click += new System.EventHandler(this.button1_Click);
      // 
      // button2
      // 
      this.button2.CausesValidation = false;
      this.button2.DialogResult = System.Windows.Forms.DialogResult.Cancel;
      this.button2.Location = new System.Drawing.Point(160, 224);
      this.button2.Name = "button2";
      this.button2.TabIndex = 7;
      this.button2.Text = "Cancel";
      // 
      // label5
      // 
      this.label5.Location = new System.Drawing.Point(168, 163);
      this.label5.Name = "label5";
      this.label5.Size = new System.Drawing.Size(40, 16);
      this.label5.TabIndex = 12;
      this.label5.Text = "State";
      // 
      // label6
      // 
      this.label6.Location = new System.Drawing.Point(224, 163);
      this.label6.Name = "label6";
      this.label6.Size = new System.Drawing.Size(48, 16);
      this.label6.TabIndex = 13;
      this.label6.Text = "Zip";
      // 
      // textBox2
      // 
      this.textBox2.Location = new System.Drawing.Point(16, 82);
      this.textBox2.Name = "textBox2";
      this.textBox2.Size = new System.Drawing.Size(208, 20);
      this.textBox2.TabIndex = 1;
      this.textBox2.Text = "";
      // 
      // textBox3
      // 
      this.textBox3.Location = new System.Drawing.Point(16, 132);
      this.textBox3.Name = "textBox3";
      this.textBox3.Size = new System.Drawing.Size(208, 20);
      this.textBox3.TabIndex = 2;
      this.textBox3.Text = "";
      // 
      // label4
      // 
      this.label4.Location = new System.Drawing.Point(16, 163);
      this.label4.Name = "label4";
      this.label4.Size = new System.Drawing.Size(120, 16);
      this.label4.TabIndex = 11;
      this.label4.Text = "City";
      // 
      // textBox1
      // 
      this.textBox1.Location = new System.Drawing.Point(16, 32);
      this.textBox1.Name = "textBox1";
      this.textBox1.Size = new System.Drawing.Size(160, 20);
      this.textBox1.TabIndex = 0;
      this.textBox1.Text = "";
      // 
      // textBox6
      // 
      this.textBox6.Location = new System.Drawing.Point(224, 184);
      this.textBox6.Name = "textBox6";
      this.textBox6.Size = new System.Drawing.Size(48, 20);
      this.textBox6.TabIndex = 5;
      this.textBox6.Text = "";
      // 
      // EmpForm
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.CancelButton = this.button2;
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.button2,
                                      this.button1,
                                      this.label6,
                                      this.label5,
                                      this.label4,
                                      this.label3,
                                      this.label2,
                                      this.label1,
                                      this.textBox6,
                                      this.textBox5,
                                      this.textBox4,
                                      this.textBox3,
                                      this.textBox2,
                                      this.textBox1});
      this.MinimizeBox = false;
      this.Name = "EmpForm";
      this.ShowInTaskbar = false;
      this.Text = "EmpForm";
      this.ResumeLayout(false);
    }
    #endregion
    public void GetEmployeeData (out EMPLOYEE emp)
    {
      emp.FirstName = textBox1.Text;
      emp.LastName = textBox2.Text;
      emp.Address = textBox3.Text;
      emp.City = textBox4.Text;
      emp.State = textBox5.Text;
      emp.Zip = textBox6.Text;
    }
    private void button1_Click(object sender, System.EventArgs e)
    {
      this.Close ();
    }
  }
  
}

Form hide

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
  public class Form2 : Form
  {
    private System.Windows.Forms.Button Button3;
    private System.Windows.Forms.Button Button2;
    private System.Windows.Forms.Button Button1;
      
      
    public Form2()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.Button3 = new System.Windows.Forms.Button();
      this.Button2 = new System.Windows.Forms.Button();
      this.Button1 = new System.Windows.Forms.Button();
      this.SuspendLayout();
      // 
      // Button3
      // 
      this.Button3.Location = new System.Drawing.Point(120, 56);
      this.Button3.Name = "Button3";
      this.Button3.Size = new System.Drawing.Size(88, 32);
      this.Button3.TabIndex = 8;
      this.Button3.Text = "Become Child of Parent2";
      this.Button3.Click += new System.EventHandler(this.Button3_Click);
      // 
      // Button2
      // 
      this.Button2.Location = new System.Drawing.Point(12, 56);
      this.Button2.Name = "Button2";
      this.Button2.Size = new System.Drawing.Size(88, 32);
      this.Button2.TabIndex = 7;
      this.Button2.Text = "Become Child of Parent1";
      this.Button2.Click += new System.EventHandler(this.Button2_Click);
      // 
      // Button1
      // 
      this.Button1.Location = new System.Drawing.Point(12, 12);
      this.Button1.Name = "Button1";
      this.Button1.Size = new System.Drawing.Size(88, 32);
      this.Button1.TabIndex = 6;
      this.Button1.Text = "Become Parent";
      this.Button1.Click += new System.EventHandler(this.Button1_Click);
      // 
      // Form2
      // 
      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
      this.ClientSize = new System.Drawing.Size(292, 154);
      this.Controls.Add(this.Button3);
      this.Controls.Add(this.Button2);
      this.Controls.Add(this.Button1);
      this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
      this.Name = "Form2";
      this.Text = "Form2";
      this.ResumeLayout(false);
    }
    private void Button1_Click(object sender, System.EventArgs e)
    {
      this.Hide();
      this.MdiParent = null;
      this.IsMdiContainer = true;
      this.Show();
    }
    private void Button2_Click(object sender, System.EventArgs e)
    {
      this.Hide();
      this.IsMdiContainer = false;
      this.MdiParent = Program.Main2;
      this.Show();
    }
    private void Button3_Click(object sender, System.EventArgs e)
    {
      this.Hide();
      this.IsMdiContainer = false;
      this.MdiParent = Program.Main1;
      this.Show();
    }
  }
  public class Form1 : Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void Form1_FormClosed(object sender, FormClosedEventArgs e)
    {
      Application.Exit();
    }
    private void InitializeComponent()
    {
      this.SuspendLayout();
      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
      this.ClientSize = new System.Drawing.Size(422, 351);
      this.IsMdiContainer = true;
      this.Name = "Form1";
      this.Text = "Form1";
      this.FormClosed += new System.Windows.Forms.FormClosedEventHandler(this.Form1_FormClosed);
      this.ResumeLayout(false);
    }
  }
  static class Program
  {
    public static Form1 Main1 = new Form1();
    public static Form1 Main2 = new Form1();
    public static Form2 Child = new Form2();
    [STAThread]
    public static void Main()
    {
      Application.EnableVisualStyles();
      Main1.Text = "Parent 2";
      Main2.Text = "Parent 1";
      Main1.Show();
      Main2.Show();
      Child.MdiParent = Main2;
      Child.Show();
      System.Windows.Forms.Application.Run();
    }
  }

FormStartPosition.CenterScreen

 

using System.Drawing;
using System.Windows.Forms;
   
class FormProperties
{
     public static void Main()
     {
          Form form = new Form();
   
          form.Text            = "Form Properties";
          form.BackColor       = Color.BlanchedAlmond;
          form.Width          *= 2;
          form.Height         /= 2;
   
          form.FormBorderStyle = FormBorderStyle.FixedSingle;
          form.MaximizeBox     = false;
          form.Cursor          = Cursors.Hand;
          form.StartPosition   = FormStartPosition.CenterScreen;
   
          Application.Run(form);
     }
}

Login from

/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, 
   Zach Greenvoss, Shripad Kulkarni, Neil Whitlow
Publisher: Peer Information
ISBN: 1861007663
*/
using System;
using System.Drawing;
using System.ruponentModel;
using System.Windows.Forms;
namespace Wrox.ProWinProg.Chapter01.WinFormNonVS
{
   public class frmLogin : System.Windows.Forms.Form
   {
      System.Windows.Forms.TextBox txtUser;
      System.Windows.Forms.Button btnOK;
      System.Windows.Forms.Button btnCancel;
      public frmLogin()
      {
         txtUser = new System.Windows.Forms.TextBox();
         txtUser.Location = new Point(30, 15);
         txtUser.Size = new Size(250, 20);
         txtUser.Text = "";
         txtUser.Name = "txtUser";
         this.Controls.Add(txtUser);
         btnOK = new System.Windows.Forms.Button();
         btnOK.Location = new Point(40,
            (txtUser.Location.Y + txtUser.Size.Height + btnOK.Size.Height));
         btnOK.Text="OK";
         btnOK.Name="btnOK";
         this.Controls.Add(btnOK);
         btnCancel = new System.Windows.Forms.Button();
         btnCancel.Location = new Point((this.Size.Width -
                                         btnCancel.Size.Width) - 40,
            (txtUser.Location.Y + txtUser.Size.Height + btnOK.Size.Height));
         btnCancel.Text = "Cancel";
         btnCancel.Name = "btnCancel";
         this.Controls.Add(btnCancel);
         this.Size = new Size(this.Size.Width, btnCancel.Location.Y +
                              btnCancel.Size.Height + 60);
         btnCancel.Click += new System.EventHandler(btnCancelHandler);
         btnOK.Click += new System.EventHandler(btnEventHandler);
      }
      private void btnEventHandler(object sender, System.EventArgs e)
      {
         MessageBox.Show(((Button)sender).Name);
      }
   
      private void btnCancelHandler(object sender, System.EventArgs e)
      {
         MessageBox.Show("The second handler");
      }
      [STAThread]
      static void Main()
      {
         Application.Run(new frmLogin());
      }
   }
}

<A href="http://www.nfex.ru/Code/CSharpDownload/WinFormVS.zip">WinFormVS.zip( 19 k)</a>

makes a new window out of a graphics path that has been traced on this forms space

/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds
Publisher: Apress
ISBN: 159059035X
*/
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace CustomWindow
{
    /// <summary>
    /// This project makes a new window out of a graphics path that has been traced on this forms space.
    /// Features include: Smoothing capability via turning sub paths into curves, etc
    /// Use point for stretching curve.
    /// 
    /// Have some kind of window that allows the user to set or view smoothing factor.
    /// The user can then see the shape in the smoother form side-by-side with the original.
    /// The user can then choose which one to make the new window with.
    /// Show the smoothing factor as percentage reduction in number of points = 1-(p1/p2)
    /// Have user choose some basic aspects of the form.
    ///   min and max buttons
    ///   border style
    ///   inflation size
    ///     have another form that has a slider so the user can graphically size the shape
    ///   opacity
    ///   background color
    ///   background image
    ///   Quit button on form
    /// </summary>
    public class CustomWindow : System.Windows.Forms.Form
    {
    #region Class Local Storage
    private GraphicsPath m_WindowPath;
    private GraphicsPath m_path;
    private Point m_StartPoint;
    private Point m_LastPoint;
    private bool  m_Drawing;
    private Rectangle InvalidRect;
    private Cursor DrawCursor;
    #endregion
    private System.Windows.Forms.MainMenu mainMenu1;
    private System.Windows.Forms.MenuItem menuItem1;
    private System.Windows.Forms.MenuItem mnuExit;
    private System.Windows.Forms.MenuItem menuItem3;
    private System.Windows.Forms.MenuItem menuItem4;
    private System.Windows.Forms.MenuItem menuItem5;
    private System.Windows.Forms.MenuItem menuItem2;
    private System.Windows.Forms.MenuItem menuItem6;
    private System.Windows.Forms.MenuItem menuItem7;
    private System.Windows.Forms.MenuItem menuItem8;
    private System.Windows.Forms.MenuItem menuItem9;
    private System.Windows.Forms.TreeView PathTree;
    private System.Windows.Forms.Panel P1;
    private System.Windows.Forms.Splitter TreeSplitter;
    private System.Windows.Forms.MenuItem menuItem10;
    private System.Windows.Forms.Splitter PanelSplitter;
    private System.Windows.Forms.RichTextBox DebugWindow;


        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ruponentModel.Container components = null;
        public CustomWindow()
        {
            InitializeComponent();
      this.Icon = new Icon("Icon.ico");
      DrawCursor = new Cursor("Pen.cur");
      this.Size = new Size(800, 600);
      this.SetStyle(ControlStyles.AllPaintingInWmPaint,true);
      this.SetStyle(ControlStyles.DoubleBuffer,true);
//      this.MouseDown  += new MouseEventHandler(this.M_Down);
//      this.MouseUp    += new MouseEventHandler(this.M_Up);
//      this.MouseMove  += new MouseEventHandler(this.M_Move);
      P1.Paint      += new PaintEventHandler(this.PanelPaint);
      P1.MouseDown  += new MouseEventHandler(this.M_Down);
      P1.MouseUp    += new MouseEventHandler(this.M_Up);
      P1.MouseMove  += new MouseEventHandler(this.M_Move);
      m_WindowPath = new GraphicsPath();
      m_path = new GraphicsPath();
      InvalidRect = Rectangle.Empty;
      //Set RichTextBox properties
      DebugWindow.Height = this.Height /8;
      DebugWindow.Dock = DockStyle.Bottom;
      // Set properties of TreeView control.
      PathTree.Dock = DockStyle.Left;
      PathTree.Width = this.ClientSize.Width / 6;
      PathTree.TabIndex = 0;
      PathTree.Nodes.Add("Shapes");
      //Set Panel Properties
      P1.Dock = DockStyle.Fill;
      P1.BackColor = Color.Bisque;

      //Set up the splitters
      TreeSplitter.Location = new Point(PathTree.Width, 0);
      TreeSplitter.Size = new Size(2, this.Height);
      TreeSplitter.BackColor = Color.Black;
      PanelSplitter.Dock = DockStyle.Bottom;
      PanelSplitter.Height = 2;
      PanelSplitter.BackColor = Color.Black;
        }
        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }
        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
      this.mainMenu1 = new System.Windows.Forms.MainMenu();
      this.menuItem1 = new System.Windows.Forms.MenuItem();
      this.mnuExit = new System.Windows.Forms.MenuItem();
      this.menuItem3 = new System.Windows.Forms.MenuItem();
      this.menuItem4 = new System.Windows.Forms.MenuItem();
      this.menuItem5 = new System.Windows.Forms.MenuItem();
      this.menuItem2 = new System.Windows.Forms.MenuItem();
      this.menuItem6 = new System.Windows.Forms.MenuItem();
      this.menuItem7 = new System.Windows.Forms.MenuItem();
      this.menuItem8 = new System.Windows.Forms.MenuItem();
      this.menuItem9 = new System.Windows.Forms.MenuItem();
      this.PathTree = new System.Windows.Forms.TreeView();
      this.P1 = new System.Windows.Forms.Panel();
      this.TreeSplitter = new System.Windows.Forms.Splitter();
      this.menuItem10 = new System.Windows.Forms.MenuItem();
      this.DebugWindow = new System.Windows.Forms.RichTextBox();
      this.PanelSplitter = new System.Windows.Forms.Splitter();
      this.SuspendLayout();
      // 
      // mainMenu1
      // 
      this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                              this.menuItem1,
                                                                              this.menuItem3,
                                                                              this.menuItem7});
      // 
      // menuItem1
      // 
      this.menuItem1.Index = 0;
      this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                              this.mnuExit});
      this.menuItem1.Text = "File";
      // 
      // mnuExit
      // 
      this.mnuExit.Index = 0;
      this.mnuExit.Text = "&Exit";
      this.mnuExit.Click += new System.EventHandler(this.mnuExit_Click);
      // 
      // menuItem3
      // 
      this.menuItem3.Index = 1;
      this.menuItem3.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                              this.menuItem4,
                                                                              this.menuItem10,
                                                                              this.menuItem5,
                                                                              this.menuItem2,
                                                                              this.menuItem6,
                                                                              this.menuItem9});
      this.menuItem3.Text = "Shape";
      // 
      // menuItem4
      // 
      this.menuItem4.Index = 0;
      this.menuItem4.Text = "Create";
      // 
      // menuItem5
      // 
      this.menuItem5.Index = 2;
      this.menuItem5.Text = "Resize";
      // 
      // menuItem2
      // 
      this.menuItem2.Index = 3;
      this.menuItem2.Text = "-";
      // 
      // menuItem6
      // 
      this.menuItem6.Index = 4;
      this.menuItem6.Text = "Load Shape";
      // 
      // menuItem7
      // 
      this.menuItem7.Index = 2;
      this.menuItem7.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                              this.menuItem8});
      this.menuItem7.Text = "Form";
      // 
      // menuItem8
      // 
      this.menuItem8.Index = 0;
      this.menuItem8.Text = "Spawn";
      // 
      // menuItem9
      // 
      this.menuItem9.Index = 5;
      this.menuItem9.Text = "Save Shape";
      // 
      // PathTree
      // 
      this.PathTree.ImageIndex = -1;
      this.PathTree.Name = "PathTree";
      this.PathTree.SelectedImageIndex = -1;
      this.PathTree.Size = new System.Drawing.Size(88, 488);
      this.PathTree.TabIndex = 0;
      // 
      // P1
      // 
      this.P1.Location = new System.Drawing.Point(112, 16);
      this.P1.Name = "P1";
      this.P1.Size = new System.Drawing.Size(464, 472);
      this.P1.TabIndex = 1;
      // 
      // TreeSplitter
      // 
      this.TreeSplitter.Name = "TreeSplitter";
      this.TreeSplitter.Size = new System.Drawing.Size(8, 573);
      this.TreeSplitter.TabIndex = 2;
      this.TreeSplitter.TabStop = false;
      // 
      // menuItem10
      // 
      this.menuItem10.Index = 1;
      this.menuItem10.Text = "Smooth";
      // 
      // DebugWindow
      // 
      this.DebugWindow.Location = new System.Drawing.Point(24, 520);
      this.DebugWindow.Name = "DebugWindow";
      this.DebugWindow.Size = new System.Drawing.Size(536, 40);
      this.DebugWindow.TabIndex = 3;
      this.DebugWindow.Text = "richTextBox1";
      // 
      // PanelSplitter
      // 
      this.PanelSplitter.Location = new System.Drawing.Point(8, 0);
      this.PanelSplitter.Name = "PanelSplitter";
      this.PanelSplitter.Size = new System.Drawing.Size(8, 573);
      this.PanelSplitter.TabIndex = 4;
      this.PanelSplitter.TabStop = false;
      // 
      // CustomWindow
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(592, 573);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                  this.PanelSplitter,
                                                                  this.DebugWindow,
                                                                  this.TreeSplitter,
                                                                  this.P1,
                                                                  this.PathTree});
      this.Menu = this.mainMenu1;
      this.Name = "CustomWindow";
      this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
      this.Text = "CustomWindow";
      this.Load += new System.EventHandler(this.CustomWindow_Load);
      this.ResumeLayout(false);
    }
        #endregion
    #region Main Entry Point
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new CustomWindow());
        }
    #endregion
    private void CustomWindow_Load(object sender, System.EventArgs e)
    {
    }
//    protected override void OnPaint(PaintEventArgs e)
//    {
//      Graphics G = e.Graphics;
//      PaintMe(e.Graphics);
//    }
    private void PanelPaint(object sender, PaintEventArgs e)
    {
      PaintMe(e.Graphics);
    }
    private void PaintMe(Graphics G)
    {
      G.SmoothingMode = SmoothingMode.AntiAlias;
      if (m_WindowPath.PointCount > 0)
        G.DrawPath(Pens.Black, m_WindowPath);
      if (m_path.PointCount > 0)
        G.DrawPath(Pens.Red, m_path);
    }
    private void M_Down(object sender, MouseEventArgs m)
    {
      m_StartPoint  = new Point(m.X, m.Y);
      m_LastPoint   = m_StartPoint;
      m_WindowPath  = new GraphicsPath();
      m_Drawing     = true;
      P1.Invalidate();
    }
    private void M_Up(object sender, MouseEventArgs m)
    {
      m_WindowPath.CloseFigure();
      m_Drawing     = false;
      //Smooth out the path by reducing lines that make up path
      m_path = SmootherPath(m_WindowPath);
      Matrix Q = new Matrix();
      Q.Translate(50, 5);
      m_path.Transform(Q);
      int a = m_WindowPath.PointCount;
      int b = m_path.PointCount;
      //Draw the paths and make a window.
      P1.Invalidate();
      MakeWindow();
    }
    private void M_Move(object sender, MouseEventArgs m)
    {
      if(m_Drawing)
      {
        m_WindowPath.AddLine(m_LastPoint.X, m_LastPoint.Y, m.X, m.Y);
        m_LastPoint.X = m.X;
        m_LastPoint.Y = m.Y;
        InvalidRect = Rectangle.Truncate(m_WindowPath.GetBounds());
        InvalidRect.Inflate( new Size(2, 2) );
        P1.Invalidate(InvalidRect);
      }
    }
    /// <doc>
    /// Start first with reducing the number of lines in this graphics path
    /// 1. read first point
    /// 2. if x value of next point = x value of last point then skip
    /// 3. if x value of next point != value of last point then...
    /// 3a. make line based on these two points
    /// 3b. add line to new path
    /// 3c. first point = next point 
    /// 4. repeat 1-3c
    /// 5. Repeat 1-4 for both X and Y
    /// </doc>
    private GraphicsPath SmootherPath(GraphicsPath gp)
    {
      PathData pd = gp.PathData;
      PointF pt1 = new Point(-1,-1);
      //First do all values in the X range
      GraphicsPath FixedPath_X = new GraphicsPath();
      foreach (PointF p in pd.Points)
      {
        if (pt1.X == -1)
        {
          pt1 = p;
          continue;
        }
        // If I introduced an error factor here I could smooth it out even more
        if (p.X != pt1.X)
        {
          FixedPath_X.AddLine(pt1, p);
          pt1 = p;
        }
      }
      FixedPath_X.CloseFigure();
      //Second do all values in the Y range
      pd = FixedPath_X.PathData;
      pt1 = new Point(-1,-1);
      GraphicsPath FixedPath_Y = new GraphicsPath();
      foreach (PointF p in pd.Points)
      {
        if (pt1.Y == -1)
        {
          pt1 = p;
          continue;
        }
        // If I introduced an error factor here I could smooth it out even more
        if (p.Y != pt1.Y)
        {
          FixedPath_Y.AddLine(pt1, p);
          pt1 = p;
        }
      }
      FixedPath_Y.CloseFigure();
      return FixedPath_Y;
    }
    private void MakeWindow()
    {
      Form frm = new Form();
      GraphicsPath path = (GraphicsPath)m_WindowPath.Clone();
      Matrix Xlate = new Matrix();
      //Find the lowest Y value and normalize all Y values to zero
      //Find the lowest X value and normalize all X values to zero
      PointF[] p = path.PathPoints;
      int Xoffset = 9999;
      int Yoffset = 9999;
      foreach (PointF p2 in p)
      {
        if (p2.X < Xoffset)
          Xoffset = (int)p2.X;
        if (p2.Y < Yoffset)
          Yoffset = (int)p2.Y;
      }
      Xlate.Translate(-Xoffset, -Yoffset);
      path.Transform(Xlate);
     
      // Set the paractical viewing region of the form
      frm.Region = new Region(path);
      //Set the size of the form
      Rectangle frmRect = Rectangle.Truncate(path.GetBounds());
      frm.Size = frmRect.Size;
      //Set some other parameters
      frm.StartPosition = FormStartPosition.CenterParent;
      frm.FormBorderStyle = FormBorderStyle.FixedSingle;
      frm.ShowDialog();
      frm.Dispose();
      Xlate.Dispose();
    }
    private void mnuExit_Click(object sender, System.EventArgs e)
    {
      this.Close();
    }
  }
}

<A href="http://www.nfex.ru/Code/CSharpDownload/CustomWindow.zip">CustomWindow.zip( 34 k)</a>

Print out Form size and position related information

 
using System;
using System.Drawing;
using System.Windows.Forms;
   
class FormSize: Form
{
     public static void Main()
     {
          Application.Run(new FormSize());
     }
     public FormSize()
     {
          BackColor = Color.White;
     }
     protected override void OnMove(EventArgs ea)
     {
          Invalidate();
     }
     protected override void OnResize(EventArgs ea)
     {
          Invalidate();
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          Graphics graphics = pea.Graphics;
          string   str  = "Location: "        + Location        + "\n"   +
                          "Size: "            + Size            + "\n"   +
                          "Bounds: "          + Bounds          + "\n"   +
                          "Width: "           + Width           + "\n"   +
                          "Height: "          + Height          + "\n"   +
                          "Left: "            + Left            + "\n"   +
                          "Top: "             + Top             + "\n"   +
                          "Right: "           + Right           + "\n"   +
                          "Bottom: "          + Bottom          + "\n\n" +
                          "DesktopLocation: " + DesktopLocation + "\n"   +
                          "DesktopBounds: "   + DesktopBounds   + "\n\n" +
                          "ClientSize: "      + ClientSize      + "\n"   +
                          "ClientRectangle: " + ClientRectangle;
   
          graphics.DrawString(str, Font, Brushes.Black, 0, 0);
    }
}

Set ClientSize to change the form window size

 
using System;
using System.Drawing;
using System.Windows.Forms;
   
class AutoScaleDemo: Form
{
     public static void Main()
     {
          Application.Run(new AutoScaleDemo());
     }
     public AutoScaleDemo()
     {
          Font = new Font("Arial", 12);
          FormBorderStyle = FormBorderStyle.FixedSingle;
   
          int[] aiPointSize = { 8, 12, 16, 24, 32 };
   
          for (int i = 0; i < aiPointSize.Length; i++)
          {
               Button btn    = new Button();
               btn.Parent    = this;
               btn.Text      = "Use " + aiPointSize[i] + "-point font";
               btn.Tag       = aiPointSize[i];
               btn.Location  = new Point(4, 16 + 24 * i);
               btn.Size      = new Size(80, 16);
               btn.Click    += new EventHandler(ButtonOnClick);
          }
          ClientSize = new Size(88, 16 + 24 * aiPointSize.Length);
          AutoScaleBaseSize = new Size(4, 8);
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          pea.Graphics.DrawString(Text, Font, new SolidBrush(ForeColor), 0, 0);
     }
     void ButtonOnClick(object obj, EventArgs ea)
     {
          Button btn = (Button) obj;
   
          SizeF sizefOld = GetAutoScaleSize(Font);
          Font = new Font(Font.FontFamily, (int) btn.Tag);
          SizeF sizefNew = GetAutoScaleSize(Font);
   
          Scale(sizefNew.Width  / sizefOld.Width,sizefNew.Height / sizefOld.Height);
     }
}

Set Form window title and center the Form window on the desktop

using System;
using System.Windows.Forms;
using System.Drawing;
public class TestForm2 {
  static void Main() {
    Form simpleForm = new Form();
    simpleForm.Height = 200;
    simpleForm.Width = 200;
    simpleForm.Text = "This is the title";
    // Center the Form on the desktop
    simpleForm.StartPosition = FormStartPosition.CenterScreen;
    simpleForm.Visible = true;
    Application.Run(simpleForm);
  }
}

Set ResizeRedraw property

 

using System;
using System.Drawing;
using System.Windows.Forms;
   
class RandomClearResizeRedraw: Form
{
     public static void Main()      
     {
          Application.Run(new RandomClearResizeRedraw());
     }
     public RandomClearResizeRedraw()      
     {
          ResizeRedraw = true;
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          Graphics graphics = pea.Graphics;
          Random   rand = new Random();
   
          graphics.Clear(Color.FromArgb(rand.Next(256),
                                    rand.Next(256),
                                    rand.Next(256)));
     }
}

Simple form

/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace FormSample
{
  /// <summary>
  /// Summary description for Form1.
  /// </summary>
  public class FormSample : System.Windows.Forms.Form
  {
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ruponentModel.Container components = null;
    public FormSample()
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();
      //
      // TODO: Add any constructor code after InitializeComponent call
      //
    }
    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }
    #region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
      // 
      // FormSample
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Name = "Form1";
      this.Text = "Form1";
    }
    #endregion
    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() 
    {
      Application.Run(new FormSample());
    }
  }
}

Simplest form code: set window title

public class MyForm : System.Windows.Forms.Form{
  public MyForm(){
    Text = "Hello World";
  }
  public static void Main() {
    System.Windows.Forms.Application.Run(new MyForm());
  }
}

Use Font from Form to paint string on a form

 
using System;
using System.Drawing;
using System.Windows.Forms;
class InheritHelloWorld : Form {
    public static void Main() {
        Application.Run(new InheritHelloWorld());
    }
    public InheritHelloWorld() {
        Text = "Inherit " + Text;
    }
    protected override void OnPaint(PaintEventArgs pea) {
        Graphics graphics = pea.Graphics;
        graphics.DrawString("Hello from InheritHelloWorld!",
                        Font, Brushes.Black, 0, 100);
    }
}

Windows Forms Getting Started

namespace DiskDiff
{
    using System;
    using System.Drawing;
    using System.Collections;
    using System.ruponentModel;
    using System.Windows.Forms;
    using System.Data;
    
    public class DiskDiff : System.Windows.Forms.Form
    {
        private System.ruponentModel.Container components;
        
        public DiskDiff()
        {
            InitializeComponent();
        }
        
        private void InitializeComponent()
        {
            this.ruponents = new System.ruponentModel.Container();
            this.Size = new System.Drawing.Size(300,300);
            this.Text = "Form1";
        }
        
        public static void Main(string[] args) 
        {
            Application.Run(new DiskDiff());
        }
    }
}

Csharp/C Sharp/GUI Windows Form/Form Frame Window — различия между версиями

Текущая версия на 11:33, 26 мая 2010

Содержание

Add controls to a form

Add control to a form window

A form-based Windows Skeleton

Assign Form window default value

Auto scroll form window

AutoScrollPosition

Center form window

Change Form window background

Change Form window ownership

Change the background and text colors of a form using Color Dialog

Create Graphics Object from form window handle

Demonstrates creating a form in a console program

Draw image based on the window size

Form for data input

Form hide

FormStartPosition.CenterScreen

Login from

makes a new window out of a graphics path that has been traced on this forms space

Print out Form size and position related information

Set ClientSize to change the form window size

Set Form window title and center the Form window on the desktop

Set ResizeRedraw property

Simple form

Simplest form code: set window title

Use Font from Form to paint string on a form

Windows Forms Getting Started

Навигация

Персональные инструменты

Пространства имён

Варианты

Просмотры

Ещё

Поиск

Разделы

Инструменты

Навигация

Версия 15:31, 26 мая 2010 (просмотреть исходный код) (обсуждение) ← Предыдущая правка	Текущая версия на 11:33, 26 мая 2010 (просмотреть исходный код) Admin (обсуждение \| вклад) м (1 версия)
(нет различий)