HBRUSH->System.Drawing.Brush...??

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Kieron Lanning - 18 Sep 2003 14:50 GMT

Hi,

How do I convert a Win32 hbrush to a .Net brush object?

A lot of the .Net objects have things like FromHfont and FromHRgn but i
can't find the equivalent for a brush...

Many thanks,

Kieron

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Kevin Westhead - 18 Sep 2003 19:11 GMT

> How do I convert a Win32 hbrush to a .Net brush object?
>
> A lot of the .Net objects have things like FromHfont and FromHRgn but i
> can't find the equivalent for a brush...

I'm not sure that you can do this directly, but you should be able to create
a new System.Drawing.*Brush based on your HBRUSH; this effectively means
recreating the brush so it's not very efficient.

You'll need p/invoke definitions for the GetObject method (gdi32) and the
LOGBRUSH structure. You can then call GetObject with your HBRUSH as the GDI
object and use a LOGBRUSH as your buffer. Once you have the LOGBRUSH you can
examine it to work out what specific type of System.Drawing.Brush you need
and create a new instance of that type.

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Kevin Westhead

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