--- Russell K Bulmer <[EMAIL PROTECTED]> wrote:
> In my app, right at the beginning of AppStart() I do 
> WinDrawChars() to display a nasty 'please wait' message.  
> This works fine.

AppStart() is usually called before FrmDrawForm() which, among other
things, sets up the draw window.  It is not a good idea to call *any*
of the drawing routines before the draw window is set up.

> ...
> However... I'm left with not understanding why WinDrawChars() 
> works fine before there's a draw window - but WinInvertPixel() 
> doesn't?  I'm sure if I read around I could find out - but I 
> dont' have the time right now - and I was hoping someone who 
> knew about this sort of stuff could fill me in.
> 

I don't have time to look it up now either.  Regardless, you should not
try to draw anything until after the draw window is set up.


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