Occurs when a property value changes.
event PropertyChangedEventHandler PropertyChanged
The PropertyChanged event can indicate that all properties on the object have changed by using either null or String.Empty for the PropertyName property of the PropertyChangedEventArgs.
In data binding, raise PropertyChanged on the data source to cause updates to propagate to the target.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.