IltmmMediaInfo::get_Rating
#include "ltmm.h"
C Syntax |
HRESULT IltmmMediaInfo_get_Rating (pMediaInfo, Rating) |
C++ Syntax |
HRESULT get_Rating (Rating) |
IltmmMediaInfo *pMediaInfo; |
/* pointer to an interface */ |
BSTR * Rating; |
/* pointer to a string */ |
Retrieves the rating of the media in the current source media file.
Parameter |
Description |
pMediaInfo |
Pointer to an IltmmMediaInfo interface. |
Rating |
Pointer to a string that receives the rating of the media. |
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
Call SysFreeString to free the memory allocated for the string when it is no longer needed.
The current source media file, set using IltmmMediaInfo::put_SourceFile, is the file for which the IltmmMediaInfo interface/object gets information. This function must be called before calling any of the other IltmmMediaInfo functions used for retrieving information.
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. |
See Also
Elements: |
IltmmMediaInfo::get_Copyright, IltmmMediaInfo::get_Author, IltmmMediaInfo::put_SourceFile, IltmmMediaInfo::get_SourceFile, IltmmMediaInfo::get_Title, IltmmMediaInfo::get_Description |
Topics: |
Example
For a C example, refer to Retrieving Media File Information for C.
For a C++ example, refer to Retrieving Media File Information for C++.