原文自http://bbs.youkuaiyun.com/topics/20421621。
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long) As Long
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Const GWL_STYLE = (-16)
Private Const BS_LEFT As Long = &H100&
Private Sub Form_Load()
Dim TempLng As Long
TempLng = GetWindowLong(Command1.hWnd, GWL_STYLE)
TempLng = TempLng Or BS_LEFT
SetWindowLong Command1.hWnd, GWL_STYLE, TempLng
End Sub