References ▼
#include "ltmm.h"
C Syntax |
HRESULT IltmmMediaInfo_get_ProgramCount(pMediaInfo, pVal) |
C++ Syntax |
HRESULT get_ProgramCount(pVal) |
IltmmMediaInfo *pMediaInfo; |
pointer to an interface |
long *pVal; |
pointer to a variable that will be updated with the progam count |
Gets the index of the current program for the media file.
Parameter |
Description |
pMediaInfo |
Pointer to an IltmmMediaInfo Interface. |
pVal |
Pointer to a variable that will be updated with the program count. |
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. |
The current source media file is the file for which the IltmmMediaInfo interface/object gets information. To set the current source media file, call IltmmMediaInfo::put_SourceFile.
Get the current program using IltmmMediaInfo::get_CurrentProgram and change the current program using IltmmMediaInfo::put_CurrentProgram.
For more information, refer to the Programs and Streams topic.
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
Elements: |
IltmmMediaInfo::put_CurrentProgram, IltmmMediaInfo::get_CurrentProgram |
Topics: |
Multimedia Function Groups |
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