Determines whether the specified point lies within the specified rectangle
#include <WinAPIGdi.au3>
_WinAPI_PtInRect ( ByRef $tRECT, ByRef $tPoint )
| $tRECT | $tagRECT structure that contains the specified rectangle |
| $tPoint | $tagPOINT structure that contains the specified point |
| True: | point lies within the rectangle |
| False: | point does not lie within the rectangle |
Search PtInRect in MSDN Library.