本文整理匯總了C#中System.Windows.Forms.DataGridViewCheckBoxColumn.ThreeState屬性的典型用法代碼示例。如果您正苦於以下問題：C# DataGridViewCheckBoxColumn.ThreeState屬性的具體用法？C# DataGridViewCheckBoxColumn.ThreeState怎麽用？C# DataGridViewCheckBoxColumn.ThreeState使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類System.Windows.Forms.DataGridViewCheckBoxColumn的用法示例。
在下文中一共展示了DataGridViewCheckBoxColumn.ThreeState屬性的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: DataGridView
//引入命名空間
using System;
using System.IO;
using System.Collections.Generic;
using System.Windows.Forms;
public class TriValueVirtualCheckBox:Form
{
DataGridView dataGridView1 = new DataGridView();
const int initialSize = 500;
Dictionary<int, LightStatus> store
= new Dictionary<int, LightStatus>();
public TriValueVirtualCheckBox() : base()
{
Text = this.GetType().Name;
int index = 0;
for(index=0; index<=initialSize; index++)
store.Add(index, LightStatus.Unknown);
Controls.Add(dataGridView1);
dataGridView1.VirtualMode = true;
dataGridView1.AllowUserToDeleteRows = false;
dataGridView1.CellValueNeeded += new
DataGridViewCellValueEventHandler(dataGridView1_CellValueNeeded);
dataGridView1.CellValuePushed += new
DataGridViewCellValueEventHandler(dataGridView1_CellValuePushed);
dataGridView1.Columns.Add(CreateCheckBoxColumn());
dataGridView1.Rows.AddCopies(0, initialSize);
}
private DataGridViewCheckBoxColumn CreateCheckBoxColumn()
{
DataGridViewCheckBoxColumn dataGridViewCheckBoxColumn1
= new DataGridViewCheckBoxColumn();
dataGridViewCheckBoxColumn1.HeaderText = "Lights On";
dataGridViewCheckBoxColumn1.TrueValue = LightStatus.TurnedOn;
dataGridViewCheckBoxColumn1.FalseValue = LightStatus.TurnedOff;
dataGridViewCheckBoxColumn1.IndeterminateValue
= LightStatus.Unknown;
dataGridViewCheckBoxColumn1.ThreeState = true;
dataGridViewCheckBoxColumn1.ValueType = typeof(LightStatus);
return dataGridViewCheckBoxColumn1;
}
#region "data store maintance"
private void dataGridView1_CellValueNeeded(object sender,
DataGridViewCellValueEventArgs e)
{
e.Value = store[e.RowIndex];
}
private void dataGridView1_CellValuePushed(object sender,
DataGridViewCellValueEventArgs e)
{
store[e.RowIndex] = (LightStatus) e.Value;
}
#endregion
[STAThreadAttribute()]
public static void Main()
{
Application.Run(new TriValueVirtualCheckBox());
}
}
public enum LightStatus
{
Unknown,
TurnedOn,
TurnedOff
};