捕捉DataGrid的双击事件(C#版本)

以下是C#代码

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=""; } } }