Upgrading _WinAPI_DwmGetWindowAttribute

[TommyDDR]

I recently needed to retrieve window border and color but values are not admitted in _WinAPI_DwmGetWindowAttribute, even if msdn say "Use with DwmSetWindowAttribute" for DWMWA_WINDOW_CORNER_PREFERENCE, it also can be readed with get so i added it.
(i tried with DWMWA_BORDER_COLOR without success)
I saw _WinAPI_DwmSetWindowAttribute was updated in 3.3.18.0, so i put this feature request

There is the new function :

Line
1	Func _WinAPI_DwmGetWindowAttribute($hWnd, $iAttribute)
2	Local $tagStruct
3	Switch $iAttribute
4	Case 33
5	$tagStruct = 'dword'
6	Case 5, 9
7	$tagStruct = $tagRECT
8	Case 1, 14
9	$tagStruct = 'uint'
10	Case Else
11	Return SetError(1, 0, 0)
12	EndSwitch
13
14	Local $tData = DllStructCreate($tagStruct)
15	Local $aCall = DllCall('dwmapi.dll', 'long', 'DwmGetWindowAttribute', 'hwnd', $hWnd, 'dword', $iAttribute, _
16	'struct*', $tData, 'dword', DllStructGetSize($tData))
17	If @error Then Return SetError(@error + 10, @extended, 0)
18	If $aCall[0] Then Return SetError(10, $aCall[0], 0)
19
20	Switch $iAttribute
21	Case 1, 14, 33
22	Return DllStructGetData($tData, 1)
23	Case Else
24	Return $tData
25	EndSwitch
26	EndFunc ;==>_WinAPI_DwmGetWindowAttribute

I attached an exemple

[Jpm]

Fixed for next beta

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