The ExtCreateRegion function creates a region from the specified region and transformation data.
HRGN ExtCreateRegion(
CONST XFORM *lpXform, |
// pointer to transformation data |
DWORD nCount, |
// size of structure containing region data |
CONST RGNDATA *lpRgnData |
// pointer to region data |
); |
If the function succeeds, the return value is the value of the region.
If the function fails, the return value is NULL. To get extended error information, call GetLastError.
An application can retrieve data for a region by calling the GetRegionData function.
Windows 95: Regions are no longer limited to the 64K heap.
Windows 95: World transforms that involve either shearing or rotations are not supported. ExtCreateRegion fails if the transformation matrix is anything other than a scaling or translation of the region.
file: /Techref/os/win/api/win32/func/src/f23_3.htm, 2KB, , updated: 2000/4/7 12:19, local time: 2024/10/7 22:52,
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