ListBox.ColumnWidth 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
取得或設定多欄 ListBox中欄位的寬度。
public:
property int ColumnWidth { int get(); void set(int value); };
public int ColumnWidth { get; set; }
member this.ColumnWidth : int with get, set
Public Property ColumnWidth As Integer
屬性值
控制項中每欄的寬度(以像素為單位)。 預設值是 0。
例外狀況
該屬性會被賦予小於零的值。
範例
以下程式碼範例展示了一個簡單的雙欄 ListBox。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form
{
private ListBox listBox1;
public Form1()
{
InitializeComponent();
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
private void InitializeComponent()
{
this.listBox1 = new System.Windows.Forms.ListBox();
this.SuspendLayout();
//
// listBox1
//
this.listBox1.FormattingEnabled = true;
this.listBox1.HorizontalScrollbar = true;
this.listBox1.Items.AddRange(new object[] {
"Item 1, column 1",
"Item 2, column 1",
"Item 3, column 1",
"Item 4, column 1",
"Item 5, column 1",
"Item 1, column 2",
"Item 2, column 2",
"Item 3, column 2"});
this.listBox1.Location = new System.Drawing.Point(0, 0);
this.listBox1.MultiColumn = true;
this.listBox1.Name = "listBox1";
this.listBox1.ScrollAlwaysVisible = true;
this.listBox1.Size = new System.Drawing.Size(120, 95);
this.listBox1.TabIndex = 0;
this.listBox1.ColumnWidth = 85;
//
// Form1
//
this.ClientSize = new System.Drawing.Size(292, 273);
this.Controls.Add(this.listBox1);
this.Name = "Form1";
this.ResumeLayout(false);
}
}
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Data
Imports System.Drawing
Imports System.Text
Imports System.Windows.Forms
Public Class Form1
Inherits Form
Private listBox1 As ListBox
Public Sub New()
InitializeComponent()
End Sub
<STAThread()> _
Shared Sub Main()
Application.EnableVisualStyles()
Application.SetCompatibleTextRenderingDefault(False)
Application.Run(New Form1())
End Sub
Private Sub InitializeComponent()
Me.listBox1 = New System.Windows.Forms.ListBox()
Me.SuspendLayout()
'
' listBox1
'
Me.listBox1.FormattingEnabled = True
Me.listBox1.HorizontalScrollbar = True
Me.listBox1.Items.AddRange(New Object() {"Item 1, column 1", "Item 2, column 1", "Item 3, column 1", "Item 4, column 1", "Item 5, column 1", "Item 1, column 2", "Item 2, column 2", "Item 3, column 2"})
Me.listBox1.Location = New System.Drawing.Point(0, 0)
Me.listBox1.MultiColumn = True
Me.listBox1.Name = "listBox1"
Me.listBox1.ScrollAlwaysVisible = True
Me.listBox1.Size = New System.Drawing.Size(120, 95)
Me.listBox1.TabIndex = 0
Me.listBox1.ColumnWidth = 85
'
' Form1
'
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.Controls.Add(listBox1)
Me.Name = "Form1"
Me.ResumeLayout(False)
End Sub
End Class
備註
如果你把值設為零(0),每個欄位會被預設分配寬度。 若 為 ListBox 多欄 ListBox,則此屬性回傳列表中每欄的當前寬度。 你可以利用這個屬性確保多欄 ListBox 中的每一欄都能正確顯示其項目。