/// <summary>
/// Sets the output waveform from the cuurrent waveform list on the external source for specified channel
///
/// SOURce[n]:WAVeform
/// </summary>
/// <param name="extSource">the EXTSOURCE object</param>
/// <param name="waveform">waveform name</param>
/// <param name="channel">channel to use as source</param>
public void SetExtSrcWaveform(IEXTSOURCE extSource, string waveform, string channel)
{
extSource.SetExtSrcWaveform(waveform, channel);
}