[MSDN Library June 1998] RoundRect (47.8735632183908%)
MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > GDI > Filled Shapes > Filled Shape Reference > Filled Shape Functions
[MSDN Library April 2000] RoundRect (47.8735632183908%)
MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows GDI > Filled Shapes > Filled Shape Reference > Filled Shape Functions
[MSDN Library April 2000] RoundRect (42.7011494252874%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > User Interface > Functions
[MSDN Library April 2000] RoundRect Method (24.4264846743295%)
MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > DirectX > DirectX Media SDK > DirectAnimation > Multimedia Controls > Structured Graphics Control