IMSVidDevice::get_Category
| Microsoft DirectShow 9.0 |
IMSVidDevice::get_Category
This topic applies to Windows XP or later.
The get_Category method retrieves the category of the device as a BSTR.
Syntax
HRESULT get_Category( BSTR* Guid );
Parameters
pGuid
[out] BSTR 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. |
Remarks
The device category is identified by a GUID. This method returns a string representation of the GUID.
This method is provided for Automation clients. C++ applications can use the IMSVidDevice::get__Category method, which returns a GUID rather than a BSTR.
The caller must free the returned string, using the SysFreeString function.
Requirements
Header: Dshow.h.
Library: Quartz.dll.
See Also