The RGNDATAHEADER structure describes the data returned by the GetRegionData function.
typedef struct _RGNDATAHEADER {
DWORD dwSize;
DWORD iType;
DWORD nCount;
DWORD nRgnSize;
RECT rcBound;
} RGNDATAHEADER;
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Requires version 1.0 or later.
Header: Declared in wingdi.h.
Regions Overview, Region Structures, GetRegionData, RECT, RGNDATA