[MSDN Library September 1992] RGNDATAHEADER (63.3971291866029%)

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

[MSDN Library June 1998] RGNDATAHEADER (53.287613122172%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > GDI > Regions > Region Reference > Region Structures