form1.cs

Csharp实例编程百例.rar

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

namespace ClipBoardApp
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ContextMenu contextMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.RichTextBox MyRTBox;
		/// <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.MyRTBox = new System.Windows.Forms.RichTextBox();
			this.contextMenu1 = new System.Windows.Forms.ContextMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.SuspendLayout();
			// 
			// MyRTBox
			// 
			this.MyRTBox.ContextMenu = this.contextMenu1;
			this.MyRTBox.Dock = System.Windows.Forms.DockStyle.Fill;
			this.MyRTBox.Name = "MyRTBox";
			this.MyRTBox.Size = new System.Drawing.Size(292, 273);
			this.MyRTBox.TabIndex = 0;
			this.MyRTBox.Text = "";
			// 
			// contextMenu1
			// 
			this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItem1,
																						 this.menuItem2,
																						 this.menuItem3});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.Shortcut = System.Windows.Forms.Shortcut.CtrlC;
			this.menuItem1.Text = "复制";
			this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click);
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 1;
			this.menuItem2.Shortcut = System.Windows.Forms.Shortcut.CtrlV;
			this.menuItem2.Text = "粘贴";
			this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 2;
			this.menuItem3.Shortcut = System.Windows.Forms.Shortcut.CtrlX;
			this.menuItem3.Text = "剪切";
			this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(292, 273);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.MyRTBox});
			this.Name = "Form1";
			this.Text = "ClipBoardApp";
			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 menuItem1_Click(object sender, System.EventArgs e)
		{
			Clipboard.SetDataObject (MyRTBox.SelectedText );
//			MyRTBox.Copy ();
		}

		private void menuItem2_Click(object sender, System.EventArgs e)
		{
//			MyRTBox.Paste();

			IDataObject iData = Clipboard.GetDataObject();
			if (iData.GetDataPresent (DataFormats.Text ))
			{
				string ClipBoardStr = (string)iData.GetData (DataFormats.Text );
				int CurPosition = MyRTBox.SelectionStart ;

				MyRTBox.Text = MyRTBox.Text.Substring (0, CurPosition ) + ClipBoardStr + MyRTBox.Text.Substring (CurPosition);
				MyRTBox.SelectionStart = CurPosition + ClipBoardStr.Length;
			}
		}

		private void menuItem3_Click(object sender, System.EventArgs e)
		{
//			MyRTBox.Cut ();

			int CurPosition = MyRTBox.SelectionStart ;

			Clipboard.SetDataObject (MyRTBox.SelectedText );
			MyRTBox.Text = MyRTBox.Text .Substring (0,CurPosition) + MyRTBox.Text .Substring (CurPosition+MyRTBox.SelectedText.Length );
			MyRTBox.SelectionStart = CurPosition;			
		}
	}
}