private void MentorDataContextChanged(object sender, DataContextChangedEventArgs e)
{
if (this.weakListener == null)
{
return;
}
IDataContextChangedListener target = this.weakListener.Target as IDataContextChangedListener;
if (target == null)
{
this.Disconnect();
return;
}
target.OnDataContextChanged(sender, e);
}
private void DataContextChanged(object sender, DataContextChangedEventArgs e)
{
((IDataContextChangedListener)this).OnDataContextChanged(sender, e);
}
void IDataContextChangedListener.OnDataContextChanged(object sender, DataContextChangedEventArgs e)
{
if (this.targetDO == null)
{
return;
}
object dataContext = this.GetDataContext(this.TargetElement);
if (e.ChangeReason == DataContextChangedReason.EnteringLiveTree
|| dataContext != this.SourceForBinding)
{
this.ResetNotifyDataErrorInfo();
this.lastSourceUpdateThrewException = false;
this.SourceForBinding = dataContext;
this.SourceAcquired();
}
}