[MSDN Library June 1998] GetRValue (46.184012066365%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > GDI > Colors > Color Reference > Color Macros

[MSDN Library April 2000] GetRValue (46.184012066365%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows GDI > Colors > Color Reference > Color Macros

[MSDN Library April 2000] GetRValue (34.9773755656109%)

MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > Core > Macros