Obtains the current accumulated bounding rectangle for a specified device context
#include <WinAPIGdi.au3>
_WinAPI_GetBoundsRect ( $hDC [, $iFlags = 0] )
| $hDC | Handle to the device context whose bounding rectangle the function will return. |
| $iFlags | [optional] The flags that specifies how the function will behave. This parameter can be the following value: $DCB_RESET |
| Success: | $tagRECT structure that contains the current bounding rectangle, @extended flag will contain the value specifies the state of the accumulated bounding rectangle ($DCB_*). |
| Failure: | Sets the @error flag to non-zero. |
Search GetBoundsRect in MSDN Library.