Re: Writing to Root window

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#3366

From: Aaron Wallace
Date: Mon, 24 Jun 1991 16:06

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In article <73102@microsoft.UUCP> kensy@microsoft.UUCP (Ken SYKES) writes:
>In article <uPoJ41w164w@ersys.edmonton.ab.ca> mikec@ersys.edmonton.ab.ca (Mike Coward) writes:
>>swonk@toshais.UUCP (Glenn L. Swonk) writes:
>>The easiest way to get a device context to the screen
>>is to call GetDC with a parameter of 0.  ie:
>>ScreenDC = GetDC(0);
>
>
>Or ScreenDC = GetDC(GetDesktopWindow());
>
>That way you aren't depending on NULL behavior.  This function is
>new for 3.0.

Are these the same?  I thought that the former got a DC to the entire
screen, while the latter gets a DC which is clipped to all visible windows
on the screen...

Aaron Wallace

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Message-ID: <1991Jun24.160622.2910@leland.Stanford.EDU>

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arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!samsung!uunet!stanford.edu!leland.Stanford.EDU!jessica.stanford.edu!aaron

References: <216@toshais.UUCP> <uPoJ41w164w@ersys.edmonton.ab.ca> <73102@microsoft.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!samsung!uunet!stanford.edu!leland.Stanford.EDU!jessica.stanford.edu!aaron
From: aaron@jessica.stanford.edu (Aaron Wallace)
Newsgroups: comp.windows.ms.programmer
Subject: Re: Writing to Root window
Keywords: windows
Message-ID: <1991Jun24.160622.2910@leland.Stanford.EDU>
Date: 24 Jun 91 16:06:22 GMT
References: <216@toshais.UUCP> <uPoJ41w164w@ersys.edmonton.ab.ca> <73102@microsoft.UUCP>
Sender: Aaron Wallace
Organization: Academic Information Resources
Lines: 18

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