private bool ConnectToPropertyInSource(bool isSourceCollectionViewCurrentItem)
{
if (this.source == null || this.source == DependencyProperty.UnsetValue)
{
return(false);
}
var sourceType = this.source.GetType();
if (this.propertyListener == null || this.propertyListener.SourceType != sourceType)
{
this.propertyListener = null;
var dependencyObject = this.source as DependencyObject;
if (dependencyObject != null)
{
var dependencyProperty = this.property ?? DependencyProperty.GetRegisteredDependencyProperty(dependencyObject, this.propertyName);
if (dependencyProperty != null)
{
this.propertyListener = new DependencyPropertyListener(this, sourceType, dependencyProperty, this.listenToChanges);
}
}
if (this.propertyListener == null && this.propertyName != null)
{
var property = sourceType.GetProperty(this.propertyName);
if (property != null)
{
this.propertyListener = new CLRPropertyListener(this, sourceType, property, this.listenToChanges);
}
}
}
if (this.propertyListener == null)
{
if (!isSourceCollectionViewCurrentItem)
{
var collectionViews = this.source as ICollectionView;
if (collectionViews != null)
{
this.source = collectionViews.CurrentItem;
this.collectionView = collectionViews;
this.collectionView.CurrentChanged += this.CurrentItemChanged;
return(this.ConnectToPropertyInSource(true));
}
}
}
else
{
this.propertyListener.Source = this.source;
try
{
object value = this.propertyListener.Value;
}
catch (Exception e)
{
Debug.WriteLine(e);
if (e is OutOfMemoryException || e is StackOverflowException || e is AccessViolationException || e is ThreadAbortException)
{
throw;
}
this.Disconnect();
}
}
return(this.propertyListener != null);
}
