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Article #144

Call to SystemParametersInfo() no longer works under Borland C++ Builder 7

#144
From: James O'Brien
Date: Tue, 05 Aug 2008 20:23
27 lines
1768 bytes
I have code which performs custom painting to a window's title 
bar(non-client area).  I recently migrated from "C++ Build v6" to "C++ 
Builder 2007" and calls to SystemParametersInfo() no longer work.


*********************
code sample
*********************

     NONCLIENTMETRICS  NCM;

       ZeroMemory(&NCM, sizeof(NONCLIENTMETRICS));
       NCM.cbSize = sizeof(NONCLIENTMETRICS);

       SystemParametersInfo(SPI_GETNONCLIENTMETRICS,
                            sizeof(NONCLIENTMETRICS),
                            (PVOID)&NCM,
                            0);

After zeroing the NCM structure and assigning NCM.cbSize  the correct value, 
a call to SystemParametersInfo() has no effect.  All data members in the NCM 
structure are unchanged.  This code works correctly under C++ Builder v6.

Any thoughts?

Thanks
James O'Brien 
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From: "James O'Brien" <obrien@niscnet.com>
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Subject: Call to  SystemParametersInfo() no longer works under Borland C++ Builder 7
Date: Tue, 5 Aug 2008 16:23:43 -0400
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