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microsoft.public.dotnet.framework.drawing

Clipping

Brian Ray

12/31/2004 2:34:00 AM

Hello Group,

I am using the GDI and GDI+ Together. Now in my old code I've setup a
clipping region for my GDI Canvas, then I draw something with GDI+ on it.
Does the clipping region affect the GDI+ as well so that only the required
region is drawn or do I have to "reset" the region for the GDI+ instance
again?

Alex
2 Answers

Bob Powell

12/31/2004 7:55:00 PM

0

The GDI clipping region is completely separate from the GDI+ clipping
region.

--
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Visual C#, System.Drawing

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"Alexander Adam" <nospam@please.com> wrote in message
news:cr2drg$vls$05$1@news.t-online.com...
> Hello Group,
>
> I am using the GDI and GDI+ Together. Now in my old code I've setup a
> clipping region for my GDI Canvas, then I draw something with GDI+ on it.
> Does the clipping region affect the GDI+ as well so that only the required
> region is drawn or do I have to "reset" the region for the GDI+ instance
> again?
>
> Alex
>
>

Brian Ray

12/31/2004 10:27:00 PM

0

hi,

> The GDI clipping region is completely separate from the GDI+ clipping
> region.

So does that mean that I have to apply the same clipping region to my GDI+
Graphics class again?
Isn't this a speed perfomance?

Alex