IltmmTVTuner::get_SignalPresent

#include "ltmm.h"

C Syntax

HRESULT IltmmTVTuner_get_SignalPresent(pTV, pVal)

C++ Syntax

HRESULT get_SignalPresent(pVal)

IltmmTVTuner *pTV;

pointer to an interface

long *pVal;

pointer to a variable

Gets a value that indicates whether a signal is present on the current channel.

Parameter Description
pTV Pointer to an IltmmTVTuner interface.
pVal Pointer to a variable to be updated with a value that indicates whether a signal is present on the current channel.  Possible values are:
  Value Meaning
  ltmmTUNER_HASNOSIGNALSTRENGTH The signal strength cannot be determined now.
  ltmmTUNER_NOSIGNAL No signal detected.
  ltmmTUNER_SIGNALPRESENT Signal detected.

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

For more detailed information, refer to the Microsoft documentation for IAMTuner::SignalPresent.

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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