/// <summary>
/// Stop listening for the dependency property changed.
/// </summary>
public void Detach()
{
if (_relayObject != null)
{
CompatUtility.ExecuteOnUIThread(() =>
{
if (_relayObject != null)
{
_relayObject.Dispose();
_relayObject = null;
}
}, _relayObject.Dispatcher);
}
}
/// <summary>
/// Initializes a new instances of the DependencyPropertyChangedListener class.
/// </summary>
/// <param name="instance">Instance subscribing to the property changed event.</param>
/// <param name="dependencyObject">Source of the propertyChanged</param>
/// <param name="propertyName">Dependency property name</param>
public DependencyPropertyChangedListener(TInstance instance, DependencyObject dependencyObject, string propertyName)
{
_relayObject = new RelayObject(dependencyObject, propertyName, OnPropertyChanged);
_weakInstance = new WeakReference(instance);
}