Re: Drop WM_ERASEBKGND handling in gdkevents-win32.c?

[John Ehresman <jpe wingide com>]

Tor Lillqvist wrote:
> Owen Taylor writes:
>  > There is a third possible issue - if you are moving another window over
>  > a window, does windows send:
>  > 
>  >  ERASEBKGND
>  >  ERASEBKGND
>  >  ERASEBKGND
>  >  PAINT
>  > 
>  > Or is ERASEBKGN only sent immediately before PAINT? 
>
> If I understand correctly, WM_ERASEBKGND is sent when you call
> BeginPaint() (during handling of WM_PAINT), not directly, so the
> window procedure gets invoked recursively. (Not uncommon at all.)

Windows does send WM_ERASEBKGND to all subwindows before sending 
WM_PAINT, at least on NT series OS's.  The problem is that gtk/gdk isn't 
fast enough to draw the contents of the window before the background 
appears on the screen.

John