using System; using System.ComponentModel; using System.Runtime.CompilerServices; using System.Windows.Controls; namespace QuikDawEditor; public partial class MasterTrackContentControl : UserControl, INotifyPropertyChanged { public event PropertyChangedEventHandler PropertyChanged; private void NotifyPropertyChanged([CallerMemberName] String propertyName = "") { if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } public MasterTrackContentControl() { InitializeComponent(); } }