捕捉DataGrid的双击事件(C#版本)

2009-2-20 10:23

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="";     }  } }

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捕捉DataGrid的双击事件(C#版本)

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