[MSDN Library June 1998] ExtSelectClipRgn (38.8157894736842%)
MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > GDI > Clipping > Clipping Reference > Clipping Functions
[MSDN Library April 2000] ExtSelectClipRgn (38.8157894736842%)
MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows GDI > Clipping > Clipping Reference > Clipping Functions