Csharp/C Sharp/GUI Windows Form/Form Frame Window — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 18:31, 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
<source lang="csharp"> /* 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();
}
}
}
</source>
Add control to a form window
<source lang="csharp"> 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());
}
}
</source>
A form-based Windows Skeleton
<source lang="csharp"> // 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);
}
}
</source>
Assign Form window default value
<source lang="csharp"> 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());
}
}
</source>
Auto scroll form window
<source lang="csharp">
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());
}
}
</source>
AutoScrollPosition
<source lang="csharp">
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());
}
}
</source>
Center form window
<source lang="csharp">
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());
}
}
</source>
Change Form window background
<source lang="csharp"> 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);
}
}
</source>
Change Form window ownership
<source lang="csharp"> 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());
}
}
</source>
Change the background and text colors of a form using Color Dialog
<source lang="csharp"> 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;
}
}
</source>
Create Graphics Object from form window handle
<source lang="csharp"> 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);
}
}
}
</source>
Demonstrates creating a form in a console program
<source lang="csharp"> /* 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());
}
}
}
</source>
Draw image based on the window size
<source lang="csharp">
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();
}
}
</source>
Form for data input
<source lang="csharp"> /* 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 ();
}
}
}
</source>
Form hide
<source lang="csharp"> 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();
}
}
</source>
FormStartPosition.CenterScreen
<source lang="csharp">
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);
}
}
</source>
Login from
<source lang="csharp"> /* 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());
}
}
}
</source>
<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
<source lang="csharp"> /* 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();
}
}
}
</source>
<A href="http://www.nfex.ru/Code/CSharpDownload/CustomWindow.zip">CustomWindow.zip( 34 k)</a>
<source lang="csharp"> 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);
}
}
</source>
Set ClientSize to change the form window size
<source lang="csharp"> 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);
}
}
</source>
Set Form window title and center the Form window on the desktop
<source lang="csharp"> 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);
}
}
</source>
Set ResizeRedraw property
<source lang="csharp">
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)));
}
}
</source>
Simple form
<source lang="csharp"> /* 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());
}
}
}
</source>
Simplest form code: set window title
<source lang="csharp"> public class MyForm : System.Windows.Forms.Form{
public MyForm(){
Text = "Hello World";
}
public static void Main() {
System.Windows.Forms.Application.Run(new MyForm());
}
}
</source>
Use Font from Form to paint string on a form
<source lang="csharp"> 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);
}
}
</source>
Windows Forms Getting Started
<source lang="csharp"> 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());
}
}
}
</source>
