Checks the two specified regions to determine whether they are identical
#include <WinAPIGdi.au3>
_WinAPI_EqualRgn ( $hRgn1, $hRgn2 )
| $hRgn1 | Handle to a region. |
| $hRgn2 | Handle to a region. |
| Success: | True - The two regions are equal. |
| Failure: | False. |
Search EqualRgn in MSDN Library.