Csharp/CSharp Tutorial/GUI Windows Forms/PictureBox

Материал из .Net Framework эксперт
Версия от 12:15, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
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Add Image to PictureBox

using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class PictureBoxImageAdding : System.Windows.Forms.Form
{
  private System.ruponentModel.Container components = null;
  private PictureBox picBox = new PictureBox();
  public PictureBoxImageAdding()
  {
    InitializeComponent();
    picBox.SizeMode = PictureBoxSizeMode.StretchImage;
    picBox.Location = new System.Drawing.Point(64, 32);
    picBox.Size = new System.Drawing.Size(50, 50);
    picBox.Image = new Bitmap("yourFile.bmp");

    Controls.Add(picBox);
  }
  protected override void Dispose( bool disposing )
  {
    picBox.Dispose();
    if( disposing )
    {
      if (components != null) 
      {
        components.Dispose();
      }
    }
    base.Dispose( disposing );
  }

  private void InitializeComponent()
  {
    this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
    this.ClientSize = new System.Drawing.Size(292, 273);
  }
  [STAThread]
  static void Main() 
  {
    Application.Run(new PictureBoxImageAdding());
  }
}

AutoSize PictureBox

using System;
using System.Drawing;
using System.Windows.Forms;
public class PictureBoxAutoSize : Form
{
  public PictureBoxAutoSize()
  {
    Size = new Size(550,500);
    AutoScroll = true;
    Image img = Image.FromFile("YourFile.bmp");
    Label lblAuto = new Label();
    lblAuto.Parent = this;
    lblAuto.Location = new Point(0, 250);
    lblAuto.Size = new Size(75,25);
    lblAuto.TextAlign = ContentAlignment.MiddleRight;
    lblAuto.Text = "AutoSize:";
    PictureBox pbAutoBig = new PictureBox();
    pbAutoBig.Parent = this;
    pbAutoBig.Size = new Size(200, 200);
    pbAutoBig.Location = new Point(75, 250);
    pbAutoBig.BorderStyle = BorderStyle.FixedSingle;
    pbAutoBig.SizeMode = PictureBoxSizeMode.AutoSize;
    pbAutoBig.Image = img;
  }
  static void Main() 
  {
    Application.Run(new PictureBoxAutoSize());
  }
}

CenterImage PictureBox

using System;
using System.Drawing;
using System.Windows.Forms;
public class PictureBoxCenterImage : Form
{
  public PictureBoxCenterImage()
  {
    Size = new Size(550,500);
    AutoScroll = true;
    Image img = Image.FromFile("YourFile.bmp");
    Label lblCenter = new Label();
    lblCenter.Parent = this;
    lblCenter.Location = new Point(0,480);
    lblCenter.Size = new Size(75,25);
    lblCenter.TextAlign = ContentAlignment.MiddleRight;
    lblCenter.Text = "CenterImage:";
    PictureBox pbCenterBig = new PictureBox();
    pbCenterBig.Parent = this;
    pbCenterBig.Size = new Size(200, 200);
    pbCenterBig.Location = new Point(75,480);
    pbCenterBig.BorderStyle = BorderStyle.FixedSingle;
    pbCenterBig.SizeMode = PictureBoxSizeMode.CenterImage;
    pbCenterBig.Image = img;
    PictureBox pbCenterSmall = new PictureBox();
    pbCenterSmall.Parent = this;
    pbCenterSmall.Size = new Size(100, 100);
    pbCenterSmall.Location = new Point(325,480);
    pbCenterSmall.BorderStyle = BorderStyle.FixedSingle;
    pbCenterSmall.SizeMode = PictureBoxSizeMode.CenterImage;
    pbCenterSmall.Image = img;

  }
  static void Main() 
  {
    Application.Run(new PictureBoxCenterImage());
  }
}

Change PictureBox Cursor

using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class PictureBoxCursorChange : System.Windows.Forms.Form
{
  private System.ruponentModel.Container components = null;
  private PictureBox picBox = new PictureBox();
  public PictureBoxCursorChange()
  {
    InitializeComponent();
    picBox.SizeMode = PictureBoxSizeMode.StretchImage;
    picBox.Location = new System.Drawing.Point(64, 32);
    picBox.Size = new System.Drawing.Size(50, 50);
    picBox.Image = new Bitmap("yourFile.bmp");
        picBox.Cursor = Cursors.Hand;
    Controls.Add(picBox);
  }
  protected override void Dispose( bool disposing )
  {
    picBox.Dispose();
    if( disposing )
    {
      if (components != null) 
      {
        components.Dispose();
      }
    }
    base.Dispose( disposing );
  }

  private void InitializeComponent()
  {
    this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
    this.ClientSize = new System.Drawing.Size(292, 273);
  }
  [STAThread]
  static void Main() 
  {
    Application.Run(new PictureBoxCursorChange());
  }
}

Create an in-memory bitmap and draw and Display the bitmap in the picture box

using System;
using System.Drawing;
using System.Windows.Forms;
public class BitmapCreateDrawing : Form
{
    public BitmapCreateDrawing()
    {
        this.panel1 = new System.Windows.Forms.Panel();
        this.pictureBox1 = new System.Windows.Forms.PictureBox();
        this.panel1.SuspendLayout();
        ((System.ruponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
        this.SuspendLayout();
        // 
        // panel1
        // 
        this.panel1.AutoScroll = true;
        this.panel1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
        this.panel1.Controls.Add(this.pictureBox1);
        this.panel1.Location = new System.Drawing.Point(12, 12);
        this.panel1.Size = new System.Drawing.Size(268, 242);
        this.pictureBox1.Location = new System.Drawing.Point(73, 62);
        this.pictureBox1.Size = new System.Drawing.Size(111, 144);
        this.pictureBox1.TabStop = false;
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(296, 270);
        this.Controls.Add(this.panel1);
        this.panel1.ResumeLayout(false);
        ((System.ruponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
        this.ResumeLayout(false);
        string text = "string";
        Font font = new Font("Tahoma", 20);
        
        Bitmap b = new Bitmap(600, 600);
        using (Graphics g = Graphics.FromImage(b))
        {
            g.FillRectangle(Brushes.White, new Rectangle(0, 0, 
                b.Width, b.Height));
            g.DrawString(text, font, Brushes.Black, 50, 60);
        }
        pictureBox1.BackgroundImage = b;
        pictureBox1.Size = b.Size;
        
    }
    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new BitmapCreateDrawing());
    }
    private System.Windows.Forms.Panel panel1;
    private System.Windows.Forms.PictureBox pictureBox1;
}

Normal PictureBox

using System;
using System.Drawing;
using System.Windows.Forms;
public class PictureBoxNormal : Form
{
  public PictureBoxNormal()
  {
    Size = new Size(550,500);
    AutoScroll = true;
    Image img = Image.FromFile("YourFile.bmp");
    Label lblNormal = new Label();
    lblNormal.Parent = this;
    lblNormal.Location = new Point(0,20);
    lblNormal.Size = new Size(75,25);
    lblNormal.TextAlign = ContentAlignment.MiddleRight;
    lblNormal.Text = "Normal:";
    PictureBox pbNormalBig = new PictureBox();
    pbNormalBig.Parent = this;
    pbNormalBig.Size = new Size(200, 200);
    pbNormalBig.Location = new Point(75,20);
    pbNormalBig.BorderStyle = BorderStyle.FixedSingle;
    pbNormalBig.SizeMode = PictureBoxSizeMode.Normal;
    pbNormalBig.Image = img;
  }
  static void Main() 
  {
    Application.Run(new PictureBoxNormal());
  }
}

StretchImage PictureBox

using System;
using System.Drawing;
using System.Windows.Forms;
public class PictureBoxStretchImage : Form
{
  public PictureBoxStretchImage()
  {
    Size = new Size(550,500);
    AutoScroll = true;
    Image img = Image.FromFile("YourFile.bmp");
    Label lblStretch = new Label();
    lblStretch.Parent = this;
    lblStretch.Location = new Point(0,710);
    lblStretch.Size = new Size(75,25);
    lblStretch.TextAlign = ContentAlignment.MiddleRight;
    lblStretch.Text = "StretchImage:";
    PictureBox pbStretchBig = new PictureBox();
    pbStretchBig.Parent = this;
    pbStretchBig.Size = new Size(200, 200);
    pbStretchBig.Location = new Point(75,710);
    pbStretchBig.BorderStyle = BorderStyle.FixedSingle;
    pbStretchBig.SizeMode = PictureBoxSizeMode.StretchImage;
    pbStretchBig.Image = img;
    PictureBox pbStretchSmall = new PictureBox();
    pbStretchSmall.Parent = this;
    pbStretchSmall.Size = new Size(100, 100);
    pbStretchSmall.Location = new Point(325,710);
    pbStretchSmall.BorderStyle = BorderStyle.FixedSingle;
    pbStretchSmall.SizeMode = PictureBoxSizeMode.StretchImage;
    pbStretchSmall.Image = img;
  }
  static void Main() 
  {
    Application.Run(new PictureBoxStretchImage());
  }
}