public override int GetSignalStrength()
{
if (tuner != null)
{
int strength;
tuner.get_SignalStrength(out strength);
return(strength);
}
return(-1);
}
private void TestSignalStrength()
{
int hr = 0;
int strength;
hr = tuner.get_SignalStrength(out strength);
DsError.ThrowExceptionForHR(hr);
// If the tunerequest is correct, strength should be greater then zero...
Debug.Assert(strength > 0, "ITuner.get_SignalStrength");
}
/// <summary>
/// Get the signal strength for the currently tuned channel
/// </summary>
protected override int GetSignalStrength()
{
if (tuner != null)
{
int strength;
int hr = tuner.get_SignalStrength(out strength);
DsError.ThrowExceptionForHR(hr);
if (strength == 0)
{
return(0);
}
//translate the values to get "acceptable" signal strengths only
strength = (-1 * strength) + 4000;
if (strength == 0)
{
strength += 1;
}
return(strength);
}
return(-1);
}
