private async void BtnFindRelated_Click(object sender, RoutedEventArgs e) { var sid = Player.CurrentSong?.Sid; if (sid != null) { var window = new FindRelatedWindow(sid) { Owner = this }; window.ShowDialog(); if (window.Channel != null) { await Player.ChangeChannel(window.Channel, ChangeChannelCommandType.PlayRelatedSongs); } } }