C#如何让鼠标右键出现复制把选择的内容复制？

Question

想做个在richTextBox中以蓝色选中区按下鼠标右键提示复制，并点下复制进行复制.
谢谢

Answer 1

用contextMenuStrip控件..写个‘复制’后双击产生事件..再在后台写复制代码，最后在到richTextBox
属性中的contextMenuStrip选择你用的这个contextMenuStrip控件就OK了

Answer 2

Form1.Designer.cs
namespace WindowsApplication15
{
    partial class Form1
    {
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.IContainer components = null;        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }        #region Windows 窗体设计器生成的代码        /// <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.components = new System.ComponentModel.Container();
            this.richTextBox1 = new System.Windows.Forms.RichTextBox();
            this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
            this.ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.contextMenuStrip1.SuspendLayout();
            this.SuspendLayout();
            // 
            // richTextBox1
            // 
            this.richTextBox1.ContextMenuStrip = this.contextMenuStrip1;
            this.richTextBox1.Location = new System.Drawing.Point(12, 12);
            this.richTextBox1.Name = "richTextBox1";
            this.richTextBox1.Size = new System.Drawing.Size(280, 254);
            this.richTextBox1.TabIndex = 0;
            this.richTextBox1.Text = "这里是内容，请选中再右键点复制";
            // 
            // contextMenuStrip1
            // 
            this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.ToolStripMenuItem});
            this.contextMenuStrip1.Name = "contextMenuStrip1";
            this.contextMenuStrip1.Size = new System.Drawing.Size(95, 26);
            // 
            // ToolStripMenuItem
            // 
            this.ToolStripMenuItem.Name = "ToolStripMenuItem";
            this.ToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
            this.ToolStripMenuItem.Text = "复制";
            this.ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click);
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(292, 266);
            this.Controls.Add(this.richTextBox1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.contextMenuStrip1.ResumeLayout(false);
            this.ResumeLayout(false);        }        #endregion        private System.Windows.Forms.RichTextBox richTextBox1;
        private System.Windows.Forms.ContextMenuStrip contextMenuStrip1;
        private System.Windows.Forms.ToolStripMenuItem ToolStripMenuItem;
    }
}Form1.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;namespace WindowsApplication15
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }        private void ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Copy(); //将选择文本复制到剪切板
        }
    }
}