/// <summary>
/// Called when the target object is unloaded.
/// </summary>
/// <param name="target">The binding target object.</param>
protected override void OnTargetUnloaded(FrameworkElement target)
{
target.DataContextChanged -= DatacontextTarget_DataContextChanged; // free up event handlers.
delayTimer?.Stop();
if (bindingWatcher != null)
{
bindingWatcherDescriptor.RemoveValueChanged(bindingWatcher, BindingWatcher_SourcePropertyChanged);
bindingWatcher.Dispose();
bindingWatcher = null;
}
}
/// <summary>
/// Stops tracking path binding updates and release related resources.
/// </summary>
private void StopTrackingPathBindingUpdates()
{
if (boundPathBindingWatcher != null)
{
boundPathBindingWatcher.PropertyChanged -= BoundPathBindingWatcher_PropertyChanged;
boundPathBindingWatcher.Dispose();
boundPathBindingWatcher = null;
}
}
