Function Reference


_WinAPI_InvalidateRect

Adds a rectangle to the specified window's update region

#include <WinAPI.au3>
_WinAPI_InvalidateRect ( $hWnd [, $tRECT = 0 [, $bErase = True]] )

Parameters

$hWnd Handle to windows
$tRECT [optional] $tagRECT structure that contains the client coordinates of the rectangle to be added to the
update region. If this parameter is 0 the entire client area is added to the update region.
$bErase [optional] Specifies whether the background within the update region is to be erased when the update
region is processed. If this parameter is True the background is erased when the BeginPaint function is
called. If this parameter is False, the background remains unchanged.

Return Value

Success: True
Failure: False, call _WinAPI_GetLastError() to get extended error information

Related

$tagRECT

See Also

Search InvalidateRect in MSDN Library.