[MSDN Library April 2000] IsWindowVisible (100%)

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

[MSDN Library September 1992] IsWindowVisible (56.8486590038314%)

Product Documentation > QuickC for Windows > Windows Programming Reference > Chapter 4 Functions Directory

[MSDN Library April 2000] IsWindowVisible (46.875%)

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

[MSDN Library September 1992] IsWindowVisible (39.2942583732057%)

Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > I

[MSDN Library September 1992] IsWindowVisible (29.9107142857143%)

Product Documentation > Windows 3.1 SDK > Programmer's Reference Volume 2: Functions > Introduction > HI