IltmmMediaInfo::get_Rating - Multimedia C API Help

IltmmMediaInfo::get_Rating

#include "ltmm.h"

C Syntax

HRESULT IltmmMediaInfo_get_Rating (pMediaInfo, pVal)

C++ Syntax

HRESULT get_Rating (pVal)

IltmmMediaInfo *pMediaInfo;

pointer to an interface

BSTR * pVal;

pointer to a string

Retrieves the rating of the media in the current source media file.

Parameter

Description

pMediaInfo

Pointer to an IltmmMediaInfo interface.

pVal

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.

Platforms

Win32, x64

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