[MSDN Library June 1998] WindowFromPoint (40.8567583732057%)

MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > Windowing > Windows > Window Reference > Window Functions

[MSDN Library April 2000] WindowFromPoint (40.8567583732057%)

MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows User Interface > Windowing > Windows > Window Reference > Window Functions

[MSDN Library April 2000] WindowFromPoint (38.3971291866029%)

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

[MSDN Library June 1998] WindowFromPoint() Caveats (22.3524720893142%)

MSDN Library Visual Studio 6.0 > Knowledge Base > Win32 Software Development Kit