Draws the part of a parent control that is covered by a partially-transparent or alpha-blended child control
#include <WinAPITheme.au3>
_WinAPI_DrawThemeParentBackground ( $hWnd, $hDC [, $tRECT = 0] )
| $hWnd | Handle of the child control. |
| $hDC | Handle to the child control's DC. |
| $tRECT | [optional] $tagRECT structure that defines the area, in the child window's coordinates, to be drawn. |
| Success: | 1. |
| Failure: | 0 and sets the @error flag to non-zero, @extended flag may contain the HRESULT error code. |
Search DrawThemeParentBackground in MSDN Library.