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Option Explicit


'禁止使用 Alt+F4 关闭窗口

Private Declare Function DeleteMenu Lib "user32" (ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long) As Long

Private Declare Function GetMenuItemCount Lib "user32" (ByVal hMenu As Long) As Long

Private Declare Function GetSystemMenu Lib "user32" (ByVal hwnd As Long, ByVal bRevert As Long) As Long


Private Const MF_BYPOSITION = &H400&

Private Sub Form_Load()

Dim hwndMenu As Long

Dim c As Long

hwndMenu = GetSystemMenu(Me.hwnd, 0)

c = GetMenuItemCount(hwndMenu)

DeleteMenu hwndMenu, c - 1, MF_BYPOSITION

c = GetMenuItemCount(hwndMenu)

DeleteMenu hwndMenu, c - 1, MF_BYPOSITION

End Sub