Returns a value that indicates whether the specified item in the underlying collection belongs to the view after filters are applied.
Assembly: System.Windows.Data (in System.Windows.Data.dll)
This method assumes that the specified item belongs to the underlying data collection. This method only compares the item to any filters set in the Filter property. If no filters are set, this method returns true. It is typically used during collection-changed notifications to determine whether the added or removed item requires processing.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.