Kill the Windowz Close Button (X)
This subroutine will disable the Windows 9x/NT
' close button, also known as the little X
' button. It's really useful when you have a
' form that you don't want to set its ControlBox
' property to False. Write this code in a
' standard module (BAS).
Original Author: Ultimatum
Assumptions
Should be familiar with the Windows API.
Side Effects
If you're playing around with the system
' menu in other ways in your program, you
' might have to change the position number
' in your RemoveMenu function calls. Also,
' you could have problems running this
' with a MDI child.
API Declarations
Private Declare Function GetSystemMenu Lib "user32" _
(ByVal hWnd As Long, ByVal bRevert As Long) As Long
Private Declare Function RemoveMenu Lib "user32" _
(ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long) As Long
Private Const MF_BYPOS = &H400&
Code
Public Sub KillCloseButton(hWnd As Long)
Dim hSysMenu As Long
hSysMenu = GetSystemMenu(hWnd, 0)
Call RemoveMenu(hSysMenu, 6, MF_BYPOS)
Call RemoveMenu(hSysMenu, 5, MF_BYPOS)
End Sub
'Call the above function from a form as it's being loaded
Private Sub Form_Load()
KillCloseButton Me.hWnd
End Sub
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