[MSDN Library June 1998] FillRgn (43.3089114832536%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > GDI > Regions > Region Reference > Region Functions

[MSDN Library April 2000] FillRgn (43.3089114832536%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows GDI > Regions > Region Reference > Region Functions

[MSDN Library April 2000] FillRgn (41.1749069643807%)

MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > User Interface > Functions