Creates the union of two rectangles
#include <WinAPIGdi.au3>
_WinAPI_UnionRect ( $tRECT1, $tRECT2 )
| $tRECT1 | $tagRECT structure that contains the first source rectangle. |
| $tRECT2 | $tagRECT structure that contains the second source rectangle. |
| Success: | $tagRECT structure that contains the union of the $tRECT1 and $tRECT2 rectangles. |
| Failure: | Sets the @error flag to non-zero. |
The union is the smallest rectangle that contains both source rectangles. The system ignores the
dimensions of an empty rectangle that is, a rectangle in which all coordinates are set to zero, so that
it has no height or no width.
Suche nach UnionRect in der MSDN Bibliothek.