Method CountWaveTracks

libraries/lib-effects/EffectBase.cpp:227–232

}

void EffectBase::CountWaveTracks()
{
   const auto range = mTracks->Selected<const WaveTrack>();
   mNumTracks = range.sum(&WaveTrack::NChannels);
   mNumGroups = range.size();
}

std::any EffectBase::BeginPreview(const EffectSettings &)
{