private void SourcePropertyChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (this.weakDependencyPropertyListener == null)
{
return;
}
DependencyPropertyListener target = this.weakDependencyPropertyListener.Target as DependencyPropertyListener;
if (target == null)
{
this.Disconnect();
return;
}
target.SourcePropertyChanged(sender, e.Property);
}
internal static WeakDependencyPropertyChangedListener CreateIfNecessary(DependencyObject source, bool isCoreProperty, DependencyPropertyListener dependencyPropertyListener)
{
return new WeakDependencyPropertyChangedListener(source, isCoreProperty, dependencyPropertyListener);
}
private WeakDependencyPropertyChangedListener(DependencyObject source, bool isCoreProperty, DependencyPropertyListener dependencyPropertyListener)
{
this.source = source;
this.source.DPChanged += this.SourcePropertyChanged;
this.weakDependencyPropertyListener = new WeakReference(dependencyPropertyListener);
}
internal static WeakDependencyPropertyChangedListener CreateIfNecessary(DependencyObject source, bool isCoreProperty, DependencyPropertyListener dependencyPropertyListener)
{
return(new WeakDependencyPropertyChangedListener(source, isCoreProperty, dependencyPropertyListener));
}
private WeakDependencyPropertyChangedListener(DependencyObject source, bool isCoreProperty, DependencyPropertyListener dependencyPropertyListener)
{
this.source = source;
this.source.DPChanged += this.SourcePropertyChanged;
this.weakDependencyPropertyListener = new WeakReference(dependencyPropertyListener);
}