###User Defined Function###
_WinAPI_BufferedPaintSetAlpha

###Description###
Sets the alpha to a specified value in a given rectangle.

###Syntax###
#include <WinAPITheme.au3>
_WinAPI_BufferedPaintSetAlpha ( $hBP [, $iAlpha = 255 [, $tRECT = 0]] )


###Parameters###
@@ParamTable@@
$hBP
	Handle of the buffered paint context.
$iAlpha
	[optional] The alpha value to set. The alpha value can range from zero (fully transparent) to 255 (Default)(fully opaque).
$tRECT
	[optional] $tagRECT structure that specifies the rectangle in which to set the alpha.
	If this parameter is 0 (Default), the entire buffer is used.
@@End@@

###ReturnValue###
@@ReturnTable@@
Success 	1.
Failure 	0 and sets the @error flag to non-zero, @extended flag may contain the HRESULT error code.
@@End@@


###Remarks###
This function requires Windows Vista or later.


###Related###


###See Also###
@@MsdnLink@@ BufferedPaintSetAlpha
