EqualRgn function (wingdi.h)
The EqualRgn function checks the two specified regions to determine whether they are identical. The function considers two regions identical if they are equal in size and shape.
Syntax
BOOL EqualRgn(
[in] HRGN hrgn1,
[in] HRGN hrgn2
);
Parameters
[in] hrgn1
Handle to a region.
[in] hrgn2
Handle to a region.
Return value
If the two regions are equal, the return value is nonzero.
If the two regions are not equal, the return value is zero. A return value of ERROR means at least one of the region handles is invalid.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | wingdi.h (include Windows.h) |
| Library | Gdi32.lib |
| DLL | Gdi32.dll |