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首页 - 经验之谈 - 在ListBox适当设定水平滚动条的宽度
发表评论(0)作者:不详, 平台:VB6.0+Win98, 阅读:13437, 日期:2001-06-23
在ListBox适当设定水平滚动条的宽度
作者:李志东
Option Explicit
Private Const LB_SETHORIZONTALEXTENT = &H194
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long

Private Sub Command1_Click()
Dim max As Long, f As Font, i As Integer

Me.ScaleMode = vbPixels
Set f = Me.Font
Set Me.Font = List1.Font

With List1
For i = 0 To .ListCount
If Me.TextWidth(.List(i)) > max Then
max = Me.TextWidth(.List(i))
End If
Next
End With
max = max + 10

Set Me.Font = f

SendMessage List1.hwnd, LB_SETHORIZONTALEXTENT, max, ByVal 0&
End Sub

Private Sub Form_Load()
List1.AddItem "VB编程乐园"
List1.AddItem "http://www.vbeden.com"
List1.AddItem "这是一个特别特别长的选项,长到超过ListBox的范围"
End Sub