本文整理汇总了C#中System.Windows.Forms.ListControl.ValueMember属性的典型用法代码示例。如果您正苦于以下问题:C# ListControl.ValueMember属性的具体用法?C# ListControl.ValueMember怎么用?C# ListControl.ValueMember使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Windows.Forms.ListControl
的用法示例。
在下文中一共展示了ListControl.ValueMember属性的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ListBox
//引入命名空间
using System;
using System.Windows.Forms;
using System.Drawing;
using System.Collections;
namespace MyListControlSample
{
public class ListBoxSample3 : Form
{
private ListBox ListBox1 = new ListBox();
private Label label1 = new Label();
private TextBox textBox1 = new TextBox();
[STAThread]
static void Main()
{
Application.Run(new ListBoxSample3());
}
public ListBoxSample3()
{
this.ClientSize = new Size(307, 206);
this.Text = "ListBox Sample3";
ListBox1.Location = new Point(54, 16);
ListBox1.Name = "ListBox1";
ListBox1.Size = new Size(240, 130);
label1.Location = new Point(14, 150);
label1.Name = "label1";
label1.Size = new Size(40, 24);
label1.Text = "Value";
textBox1.Location = new Point(54, 150);
textBox1.Name = "textBox1";
textBox1.Size = new Size(240, 24);
this.Controls.AddRange(new Control[] { ListBox1, label1, textBox1 });
// Populate the list box using an array as DataSource.
ArrayList USStates = new ArrayList();
USStates.Add(new USState("Alabama", "AL"));
USStates.Add(new USState("Washington", "WA"));
USStates.Add(new USState("West Virginia", "WV"));
USStates.Add(new USState("Wisconsin", "WI"));
USStates.Add(new USState("Wyoming", "WY"));
ListBox1.DataSource = USStates;
// Set the long name as the property to be displayed and the short
// name as the value to be returned when a row is selected. Here
// these are properties; if we were binding to a database table or
// query these could be column names.
ListBox1.DisplayMember = "LongName";
ListBox1.ValueMember = "ShortName";
// Bind the SelectedValueChanged event to our handler for it.
ListBox1.SelectedValueChanged +=
new EventHandler(ListBox1_SelectedValueChanged);
// Ensure the form opens with no rows selected.
ListBox1.ClearSelected();
}
private void InitializeComponent()
{
}
private void ListBox1_SelectedValueChanged(object sender, EventArgs e)
{
if (ListBox1.SelectedIndex != -1)
{
textBox1.Text = ListBox1.SelectedValue.ToString();
// If we also wanted to get the displayed text we could use
// the SelectedItem item property:
// string s = ((USState)ListBox1.SelectedItem).LongName;
}
}
}
public class USState
{
private string myShortName;
private string myLongName;
public USState(string strLongName, string strShortName)
{
this.myShortName = strShortName;
this.myLongName = strLongName;
}
public string ShortName
{
get
{
return myShortName;
}
}
public string LongName
{
get
{
return myLongName;
}
}
}
}