form1.cs

c#程序部分代码我没有用过是我的老师给我的用于arcGIS engine 开发的

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

namespace cs_Event
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button btn1;
		private System.Windows.Forms.Button btn2;
		private System.Windows.Forms.Button btn3;
		private System.Windows.Forms.Label lblMsg;
		/// <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.btn1 = new System.Windows.Forms.Button();
			this.btn2 = new System.Windows.Forms.Button();
			this.btn3 = new System.Windows.Forms.Button();
			this.lblMsg = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// btn1
			// 
			this.btn1.Location = new System.Drawing.Point(40, 64);
			this.btn1.Name = "btn1";
			this.btn1.TabIndex = 0;
			this.btn1.Text = "按钮1";
			this.btn1.Click += new System.EventHandler(this.btn1_Click);
			// 
			// btn2
			// 
			this.btn2.Location = new System.Drawing.Point(144, 64);
			this.btn2.Name = "btn2";
			this.btn2.TabIndex = 1;
			this.btn2.Text = "按钮2";
			this.btn2.Click += new System.EventHandler(this.btn1_Click);
			// 
			// btn3
			// 
			this.btn3.Location = new System.Drawing.Point(248, 64);
			this.btn3.Name = "btn3";
			this.btn3.TabIndex = 2;
			this.btn3.Text = "按钮3";
			this.btn3.Click += new System.EventHandler(this.btn1_Click);
			// 
			// lblMsg
			// 
			this.lblMsg.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(192)), ((System.Byte)(255)), ((System.Byte)(255)));
			this.lblMsg.Font = new System.Drawing.Font("宋体", 12F);
			this.lblMsg.Location = new System.Drawing.Point(48, 120);
			this.lblMsg.Name = "lblMsg";
			this.lblMsg.Size = new System.Drawing.Size(256, 23);
			this.lblMsg.TabIndex = 3;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(344, 206);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.lblMsg,
																		  this.btn3,
																		  this.btn2,
																		  this.btn1});
			this.Name = "Form1";
			this.Text = "Form1";
			this.ResumeLayout(false);

		}
		#endregion

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

		private void btn1_Click(object sender, System.EventArgs e)
		{
			Button btnHit;
			btnHit = (Button)(sender);
			lblMsg.Text = "你单击了" + btnHit.Text;	

		}
	}
}