# Function Reference

# _WinAPI_GetWorkArea

Retrieves the size of the working area on the primary display monitor

#include <WinAPISys.au3>
_WinAPI_GetWorkArea ( )

## Return Value

Success: | $tagRECT structure that contains the screen coordinates of the working area.
Failure: | Sets the @error flag to non-zero, call _WinAPI_GetLastError() to get extended error information.

## See Also

Search SystemParametersInfo in MSDN Library.

## Example

    #include <GUIConstantsEx.au3>
    #include <WinAPISys.au3>
    #include <WindowsStylesConstants.au3>

    _Example()

    Func _Example()
        Local $tRECT = _WinAPI_GetWorkArea()
        Local $iWidth = DllStructGetData($tRECT, 'Right') - DllStructGetData($tRECT, 'Left')
        Local $iHeight = DllStructGetData($tRECT, 'Bottom') - DllStructGetData($tRECT, 'Top')
        Local $X = DllStructGetData($tRECT, 'Left')
        Local $Y = DllStructGetData($tRECT, 'Top')

        Local $hForm = GUICreate('Test ' & StringReplace(@ScriptName, '.au3', '()'), $iWidth, $iHeight, $X, $Y, $WS_POPUP, $WS_EX_TOPMOST)
        GUISetBkColor(0, $hForm)
        WinSetTrans($hForm, '', 128)
        GUISetState(@SW_SHOW)

        Do
        Until GUIGetMsg() = $GUI_EVENT_CLOSE
    EndFunc   ;==>_Example