[MSDN Library June 1998] Foreground Application Responsiveness Change in WinNT 4.0 (55.2380952380952%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Windows NT
[MSDN Library June 1998] Foreground Program Unavailable During Scheduled Connection (36.7036124794746%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Windows NT
[MSDN Library June 1998] Foreground and Background Windows (34.1163003663004%)
MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > Windowing > Windows > About Windows > Window Relationships