private void lvChords_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
ChordNode nd = (ChordNode)lvChords.SelectedItem;
if(nd != null)
{
ChordClickedEventArgs args =
new ChordClickedEventArgs(nd);
OnChordClicked(args);
}
}
protected virtual void OnChordClicked(ChordClickedEventArgs args)
{
ChordClicked?.Invoke(this, args);
}
