捕捉DataGrid的双击事件

namespace DataGridDoubleClick
{
 using System;
 using System.Drawing;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Forms;
 using System.Data;

 public class Form1 : System.Windows.Forms.Form
 {
  private System.Windows.Forms.DataGrid dataGrid1;
  private DataSet myDataSet;
  DateTime gridMouseDownTime;
  private System.Windows.Forms.Label label1;
  
  private System.ComponentModel.Container components = null;

  public Form1()
  {
   InitializeComponent();
   gridMouseDownTime = DateTime.Now;
   SetUp();
  }

  private void SetUp()
  {
   // 用2个Table和1和Relation创建DataSet
   MakeDataSet();
   // 数据绑定
   dataGrid1.SetDataBinding(myDataSet, "Customers");

   //添加样式
   AddCustomDataTableStyle();
  }

  private void MakeDataSet()
  {
   // 创建DataSet.
   myDataSet = new DataSet("myDataSet");
      
   // 创建2个DataTables.
   DataTable tCust = new DataTable("Customers");
   
   // 创建两个列，并添加到第一个表
   DataColumn cCustID = new DataColumn("custID");
   DataColumn cCustName = new DataColumn("custName");
   DataColumn cCurrent = new DataColumn("custCity");
   tCust.Columns.Add(cCustID);
   tCust.Columns.Add(cCustName);
   tCust.Columns.Add(cCurrent);

   // 把tables添加到DataSet.
   myDataSet.Tables.Add(tCust);
   
   
   /* 计算tables.对每个客户，创建DataRow变量 */
   DataRow newRow1;
   
   // 添加记录到 Customers Table.
   for(int i = 1; i < 4; i++)
   {
    newRow1 = tCust.NewRow();
    newRow1["custID"] = (100*i).ToString();
    tCust.Rows.Add(newRow1);
   }

   tCust.Rows[0]["custName"] = "【孟宪会之精彩世界】";
   tCust.Rows[1]["custName"] = "net_lover";
   tCust.Rows[2]["custName"] = "http://xml.sz.luohuedu.net/";

   tCust.Rows[0]["custCity"] = "北京";
   tCust.Rows[1]["custCity"] = "上海";
   tCust.Rows[2]["custCity"] = "河南";
  }

  private void AddCustomDataTableStyle()
  {
   DataGridTableStyle ts1 = new DataGridTableStyle();
   ts1.MappingName = "Customers";
   // 设置属性
   ts1.AlternatingBackColor = Color.LightGray;

   // 添加Textbox列样式，以便我们捕捉鼠标事件
   DataGridTextBoxColumn TextCol = new DataGridTextBoxColumn();
   TextCol.MappingName = "custID";
   TextCol.HeaderText = "序号";
   TextCol.Width = 100;

   //添加事件处理器
   TextCol.TextBox.MouseDown += new MouseEventHandler(TextBoxMouseDownHandler);
   TextCol.TextBox.DoubleClick += new EventHandler(TextBoxDoubleClickHandler);
   ts1.GridColumnStyles.Add(TextCol);

   TextCol = new DataGridTextBoxColumn();
   TextCol.MappingName = "custName";
   TextCol.HeaderText = "姓名";
   TextCol.Width = 100;
   //添加事件处理器
   TextCol.TextBox.MouseDown += new MouseEventHandler(TextBoxMouseDownHandler);
   TextCol.TextBox.DoubleClick += new EventHandler(TextBoxDoubleClickHandler);
   ts1.GridColumnStyles.Add(TextCol);

   TextCol = new DataGridTextBoxColumn();
   TextCol.MappingName = "custCity";
   TextCol.HeaderText = "地址";
   TextCol.Width = 100;
   //添加事件处理器
   TextCol.TextBox.MouseDown += new MouseEventHandler(TextBoxMouseDownHandler);
   TextCol.TextBox.DoubleClick += new EventHandler(TextBoxDoubleClickHandler);
   ts1.GridColumnStyles.Add(TextCol);
  
   dataGrid1.TableStyles.Add(ts1);
   
  }

  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows Form Designer generated code
  private void InitializeComponent()
  {
   this.dataGrid1 = new System.Windows.Forms.DataGrid();
   this.label1 = new System.Windows.Forms.Label();
   ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
   this.SuspendLayout();
   //
   // dataGrid1
   //
   this.dataGrid1.CaptionBackColor = System.Drawing.SystemColors.Info;
   this.dataGrid1.CaptionForeColor = System.Drawing.SystemColors.WindowText;
   this.dataGrid1.CaptionVisible = false;
   this.dataGrid1.DataMember = "";
   this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
   this.dataGrid1.Location = new System.Drawing.Point(11, 9);
   this.dataGrid1.Name = "dataGrid1";
   this.dataGrid1.Size = new System.Drawing.Size(368, 144);
   this.dataGrid1.TabIndex = 0;
   this.dataGrid1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.dataGrid1_MouseDown);
   //
   // label1
   //
   this.label1.Location = new System.Drawing.Point(4, 166);
   this.label1.Name = "label1";
   this.label1.Size = new System.Drawing.Size(383, 23);
   this.label1.TabIndex = 1;
   this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
   this.label1.Click += new System.EventHandler(this.Form1_Click);
   //
   // Form1
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(387, 201);
   this.Controls.AddRange(new System.Windows.Forms.Control[] {
                    this.label1,
                    this.dataGrid1});
   this.Name = "Form1";
   this.Text = "鼠标双击事件的例子";
   ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
   this.ResumeLayout(false);

  }
  #endregion

  [STAThread]
  static void Main()
  {
   Application.Run(new Form1());
  }

  private void TextBoxDoubleClickHandler(object sender, EventArgs e)
  {
   MessageBox.Show("双击事件发生。鼠标双击到的值："+((TextBox)sender).Text.ToString());
  }

  private void TextBoxMouseDownHandler(object sender, MouseEventArgs e)
  {
   if(DateTime.Now < gridMouseDownTime.AddMilliseconds(SystemInformation.DoubleClickTime))
   {
    MessageBox.Show("双击事件发生。鼠标双击到的值："+((TextBox)sender).Text.ToString());
   }
   label1.Text = "TextBox 鼠标按下了。  ";
  }

  private void dataGrid1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
  {
   gridMouseDownTime = DateTime.Now;
   label1.Text = "DataGrid1 鼠标按下了。  ";
  }

  private void Form1_Click(object sender, System.EventArgs e)
  {
   label1.Text="";
  }
  private void label1_Click(object sender, System.EventArgs e)
  {
   label1.Text="";
  }
 }
}