[MSDN Library April 2000] CombineRgn (32.7380952380952%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > User Interface > Functions
[MSDN Library June 1998] CombineRgn (31.6964285714286%)
MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > GDI > Regions > Region Reference > Region Functions
[MSDN Library April 2000] CombineRgn (31.6964285714286%)
MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows GDI > Regions > Region Reference > Region Functions