[MSDN Library June 1998] IsWindowEnabled (44.7892720306513%)
MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > User Input > Keyboard Input > Keyboard Input Reference > Keyboard Input Functions
[MSDN Library April 2000] IsWindowEnabled (44.7892720306513%)
MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows User Interface > User Input > Keyboard Input > Keyboard Input Reference > Keyboard Input Functions
[MSDN Library April 2000] IsWindowEnabled (42.7011494252874%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > User Interface > Functions