###User Defined Function###
_WinAPI_GetClassInfoEx

###Description###
Retrieves information about a window class.

###Syntax###
#include <WinAPISys.au3>
_WinAPI_GetClassInfoEx ( $sClass [, $hInstance = 0] )


###Parameters###
@@ParamTable@@
$sClass
	The class name. The name must be that of a preregistered class or a class registered by a previous call to the <a href="_WinAPI_RegisterClass.htm">_WinAPI_RegisterClass()</a> or <a href="_WinAPI_RegisterClassEx.htm">_WinAPI_RegisterClassEx()</a> function.
	Alternatively, this parameter can be a class atom.
	The atom must be in the low-order word of $sClass; the high-order word must be zero.
$hInstance
	[optional] Handle to the instance of the application that created the class.
	To retrieve information about classes defined by the system (such as buttons or list boxes), set this parameter to 0 (Default).
@@End@@

###ReturnValue###
@@ReturnTable@@
Success 	$tagWNDCLASSEX structure that contains the information about the class.
Failure 	Sets the @error flag to non-zero, call <a href="_WinAPI_GetLastError.htm">_WinAPI_GetLastError()</a> to get extended error information.
@@End@@


###Remarks###
None


###Related###
_WinAPI_RegisterClass, _WinAPI_RegisterClassEx


###See Also###
@@MsdnLink@@ GetClassInfoEx
