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Get the number of programs in the current file.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmConvert_get_SourceProgramCount(pConvert, pVal) |
| C++ | HRESULT get_SourceProgramCount(pVal) |
Pointer to an IltmmConvert interface.
Pointer to a variable to be updated with the number of programs. In most cases, this value will be filled with 1.
| Value | Meaning |
|---|---|
| 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. |
See the Programs and Streams topic for more information on programs and streams. You can change the current program using IltmmConvert::put_CurrentSourceProgram.
You can get the number of streams in the current program by calling IltmmConvert::get_SourceStreamCount.
Win32, x64.
| Language | Example |
|---|---|
| C++ | IltmmConvert::get_SourceProgramCount |
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