#If Win32 Then
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
#Else
Private Declare Function SetWindowLong Lib "User" (ByVal hwnd As Integer, ByVal nIndex As Integer, ByVal dwNewLong As Long) As Long
Private Declare Function GetWindowLong Lib "User" (ByVal hwnd As Integer, ByVal nIndex As Integer) As Long
#End If
Sub MDIForm_Load()
Dim lWnd As Long
lWnd = GetWindowLong(Me.hwnd, GWL_STYLE)
lWnd = lWnd And Not (WS_MINIMIZEBOX) '最小化
lWnd = lWnd And Not (WS_MAXIMIZEBOX) '最大化
lWnd = SetWindowLong(Me.hwnd, GWL_STYLE, lWnd)
End Sub