#include "ltmm.h"
C Syntax |
HRESULT IltmmMediaTypeDisp_get_FormatType(pMediaTypeDisp, pVal) |
C++ Syntax |
HRESULT get_FormatType(pVal) |
IltmmMediaTypeDisp *pMediaTypeDisp; |
/* pointer to an interface */ |
BSTR *pVal; |
/* string */ |
Retrieves the format type of the format buffer.
Parameter |
Description |
pMediaTypeDisp |
Pointer to an IltmmMediaTypeDisp interface. |
pVal |
Pointer to a character string that contains the format type. For more information on possible strings, refer to the DirectShow documentation. |
Returns
S_OK |
The function was successful. |
<> S_OK |
An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation. |
Comments
The string referenced by pVal contains a formatted Globally Unique Identifier (GUID) of the form {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}. For more information on the available GUIDs, refer to the DirectShow documentation.
If the function succeeds, the caller must free the BSTR referenced by pVal, by calling the SysFreeString function.
Required DLLs and Libraries
LTMM For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64
See Also
Example
For a C example, refer to Copying ltmmMediaType Attributes and Data for C.
For a C++ example, refer to Copying ltmmMediaType Attributes and Data for C++.