| Microsoft DirectX 8.1 (C++) | 
This topic applies to Windows XP Home Edition and Windows XP Professional only.
The get__Category method retrieves the category of the device as a GUID.
Syntax
HRESULT get__Category(
  GUID*  pGuid
);
Parameters
pGuid
[out] Pointer to a variable of type GUID that receives the device category.
Return Values
Returns an HRESULT value. Possible values include the following.
| Value | Description | 
| S_OK | Success. | 
| E_POINTER | NULL pointer argument. | 
See Also