disabling close button

Hi everyone,
do you know how to disable the close button on a window?
(think this one is really a FAQ).

Don't remember where I found this so I can't give anyone the credit. Don't think I have ever even used it. I hope it works for you.

VB Code:

Option Explicit
 
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_BYPOSITION = &H400&
 
Public Function DisableCloseButton(frm As Form) As Boolean
 
'PURPOSE: Removes X button from a form
'EXAMPLE: DisableCloseButton Me
'RETURNS: True if successful, false otherwise
'NOTES:   Also removes Exit Item from
'         Control Box Menu
 
 
    Dim lHndSysMenu As Long
    Dim lAns1 As Long, lAns2 As Long
    
    
    lHndSysMenu = GetSystemMenu(frm.hwnd, 0)
 
    'remove close button
    lAns1 = RemoveMenu(lHndSysMenu, 6, MF_BYPOSITION)
 
   'Remove seperator bar
    lAns2 = RemoveMenu(lHndSysMenu, 5, MF_BYPOSITION)
    
    'Return True if both calls were successful
    DisableCloseButton = (lAns1 <> 0 And lAns2 <> 0)
 
End Function

It works, but ALT+F4 still works... Any Idea on how to disable this?

It is just enought to set
Cancel = True
in the Form Query_unload function.

Thanks.

I thought about that, but you specifically asked about the Close button.

What exactly do you want to do? Will you be testing for specific values in UnloadMode?

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