INotifyDataErrorInfo.ErrorsChanged Event
Occurs when the validation errors have changed for a property or for the entire entity.
Namespace: System.ComponentModel
Assembly: System.Windows (in System.Windows.dll)
The implementing class should raise this event on the user interface thread whenever the GetErrors return value changes, even if the return value implements INotifyCollectionChanged.
For an example of an implementation of this event, see the INotifyDataErrorInfo class overview.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.