form1.cs

案例经典

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

namespace Example036_窗体和图像的双重透明
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.panel1 = new System.Windows.Forms.Panel();
			this.splitter1 = new System.Windows.Forms.Splitter();
			this.panel2 = new System.Windows.Forms.Panel();
			this.SuspendLayout();
			// 
			// panel1
			// 
			this.panel1.Dock = System.Windows.Forms.DockStyle.Left;
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(136, 221);
			this.panel1.TabIndex = 0;
			// 
			// splitter1
			// 
			this.splitter1.Location = new System.Drawing.Point(136, 0);
			this.splitter1.Name = "splitter1";
			this.splitter1.Size = new System.Drawing.Size(3, 221);
			this.splitter1.TabIndex = 1;
			this.splitter1.TabStop = false;
			// 
			// panel2
			// 
			this.panel2.BackColor = System.Drawing.Color.White;
			this.panel2.Dock = System.Windows.Forms.DockStyle.Fill;
			this.panel2.Location = new System.Drawing.Point(139, 0);
			this.panel2.Name = "panel2";
			this.panel2.Size = new System.Drawing.Size(157, 221);
			this.panel2.TabIndex = 2;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(296, 221);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.panel2,
																		  this.splitter1,
																		  this.panel1});
			this.Name = "Form1";
			this.Text = "Form1";
			this.TransparencyKey = System.Drawing.Color.White;
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.Splitter splitter1;
		private System.Windows.Forms.Panel panel2;

		const int WM_ERASEBKGND = 0x0014;
		/*protected override void WndProc(ref System.Windows.Forms.Message m)
		{
		switch(m.Msg)
			{
				case WM_ERASEBKGND:
					m.Result=(IntPtr)0;
					break;
				default:
					base.WndProc(ref m);
				break;
			}
		}*/

	}
}