Re: WM_PRINT does not work properly

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Article #5720

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#5720

From: Thorsten Kettner
Date: Fri, 22 Jul 2005 09:13

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"Thorsten Kettner" <QUESTIONBYthorsten.kettner@otto.de> wrote:
>
>  Button2->Perform(WM_PRINT, (WPARAM)PaintBox1->Canvas->Handle, (LPARAM)PRF_NONCLIENT|PRF_CLIENT|PRF_ERASEBKGND);

>The line gets drawn, the button only if it's visible. Why?

Okay, problem solved. SendMessage works, Perform doesn't. Don't
know why, but who am I to complain? :-)

SendMessage(Button2->Handle, WM_PRINT, (WPARAM)PaintBox1->Canvas->Handle, (LPARAM)PRF_NONCLIENT|PRF_CLIENT|PRF_ERASEBKGND);

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