Re: WM_NCPAINT - no region to be had - Article 16750 - go-pugleaf

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Re: WM_NCPAINT - no region to be had

#16750

From: JD
Date: Sun, 27 Apr 2003 02:54

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"Chris" <chris@chrischfmouseyREMOVE.karoo.co.uk> wrote:
> [...] Often the app would break on BP1 even though nothing
> has covered the form's border, when this is the case
> GetRegionData fails because hrgn is always at 00000001.

Something has to happen to paint the nonclient area when it's
in full view. In this case a region would be overkill since a
RECT will do. MS wouldn't have undocumented behavior in the OS,
would they?

> If I actually invalidated the form's border by moving it off
> screen, BP2 fires and now hrgn is at something like 0d0201030

Well, well, well. Guess what? Works for me too :-O I had this
thing working yesterday and didn't know it. Now I need to
figure out the caption painting for when the form looses focus.

~ JD

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