Thread: Disabling "X" button on Window

hi there,

I was told it was better to move this question here:

I've done a bit of research on how to disable the exit (X) button on the win32 app

this is what i came up with:

Code:

HMENU hMenuHandle; //declare HMUNU handle
long lngItemCount;     //declare item count storage
int c, style;	   //declare c and style storage

//disable for EditMain
hMenuHandle = GetSystemMenu(EditMain, false);
lngItemCount = GetMenuItemCount(hMenuHandle);

//disable maximize button	
style = GetWindowLong(EditMain, GWL_STYLE);
style &= ~WS_MAXIMIZEBOX;
SetWindowLong(EditMain, GWL_STYLE, style);

//disable 'X' button
c = lngItemCount;
while(c > lngItemCount - 4)
RemoveMenu(hMenuHandle, c--, MF_BYPOSITION | MF_DISABLED);
DrawMenuBar(EditMain);

the above code works great for the most part...it disables the maximize button and the "X" button but it casues my window (EditMain) to not be movable and it wont let my window minimize in windows NT...my windows can minimize in XP but still it is not movable around the screen.. I want my user to be able to move the window around and minimize.

what is it about my above code that is causing this?
or is there and even simpler way?

thanx in advance
Boomba,

That would be VERY bad; WM_DESTROY is sent when Windows is already prepared to deallocate resources.

You could intercept and ignore WM_CLOSE, though, and use DestroyWindow() elsewhere. WM_CLOSE is the last place you can stop a window's death; after DestroyWindow() is called (which is the default handler's action upon WM_CLOSE) you're past the point of no return; the window MUST die.