ImageList.TransparentColor : ImageList « System.Windows.Forms « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Windows.Forms
3. ImageList

ImageList.TransparentColor

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

public class ImageListCreateAndAddToToolBar : System.Windows.Forms.Form
{
  private ImageList toolBarIcons;
  private ToolBarButton tbExitButton;
  private ToolBarButton tbSaveButton;
  private ToolBar toolBar;
  private System.ComponentModel.Container components = null;

  public ImageListCreateAndAddToToolBar()
  {
    this.components = new System.ComponentModel.Container();
    this.Size = new System.Drawing.Size(300,300);

    toolBar = new ToolBar();
    toolBarIcons = new ImageList();
    tbSaveButton = new ToolBarButton();
    tbExitButton = new ToolBarButton();

    tbSaveButton.ImageIndex = 0;
    tbExitButton.ImageIndex = 1;

    toolBar.ImageList = toolBarIcons;
    toolBar.Size = new System.Drawing.Size(272, 28);
    toolBar.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
    toolBar.ShowToolTips = true;
    toolBar.Buttons.AddRange(new ToolBarButton[] {tbSaveButton, tbExitButton});
    toolBar.ButtonClick += new ToolBarButtonClickEventHandler(ToolBar_Clicked);
    
    toolBarIcons.ImageSize = new System.Drawing.Size(32, 32);
    toolBarIcons.Images.Add(new Icon("filesave.ico"));
    toolBarIcons.Images.Add(new Icon("fileexit.ico"));
    toolBarIcons.ColorDepth = ColorDepth.Depth16Bit;
    toolBarIcons.TransparentColor = System.Drawing.Color.Transparent;

    this.Controls.Add(toolBar);    

  }

  [STAThread]
  static void Main() 
  {
    Application.Run(new ImageListCreateAndAddToToolBar());
  }
  
  private void ToolBar_Clicked(object sender, ToolBarButtonClickEventArgs e) 
  {
    MessageBox.Show(e.Button.ToolTipText);
  }
}

   
    
  

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