<![CDATA[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個Table和1和Relation創建DataSet
MakeDataSet();
// 數據綁定
dataGrid1.SetDataBinding(myDataSet, "Customers");
//添加樣式
AddCustomDataTableStyle();
}
private void MakeDataSet()
{
// 創建DataSet.
myDataSet = new DataSet("myDataSet");
// 創建2個DataTables.
DataTable tCust = new DataTable("Customers");
// 創建兩個列，并添加到第一個表
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);
/* 計算tables.對每個客戶，創建DataRow變量 */
DataRow newRow1;
// 添加記錄到 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"] = "【孟憲會之精彩世界】";
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";
// 設置屬性
ts1.AlternatingBackColor = Color.LightGray;
// 添加Textbox列樣式，以便我們捕捉鼠標事件
DataGridTextBoxColumn TextCol = new DataGridTextBoxColumn();
TextCol.MappingName = "custID";
TextCol.HeaderText = "序號";
TextCol.Width = 100;
//添加事件處理器
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;
//添加事件處理器
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;
//添加事件處理器
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 = "鼠標雙擊事件的例子";
((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("雙擊事件發生。鼠標雙擊到的值："+((TextBox)sender).Text.ToString());
}
private void TextBoxMouseDownHandler(object sender, MouseEventArgs e)
{
if(DateTime.Now < gridMouseDownTime.AddMilliseconds(SystemInformation.DoubleClickTime))
{
MessageBox.Show("雙擊事件發生。鼠標雙擊到的值："+((TextBox)sender).Text.ToString());
}
label1.Text = "TextBox 鼠標按下了。 ";
}
private void dataGrid1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
gridMouseDownTime = DateTime.Now;
label1.Text = "DataGrid1 鼠標按下了。 ";
}
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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