This class encapsulates the information for the DataGrid.Navigate event, which is raised when the user navigates through a data relation to a new table. You can determine whether the navigation is occurring Forward through the relation or back to the previous table. public class NavigateEventArgs : EventArgs { // Public Constructors public NavigateEventArgs (bool isForward ); // Public Instance Properties public bool Forward {get; } } HierarchySystem.Object System.EventArgs NavigateEventArgs Passed ToDataGrid.OnNavigate() , NavigateEventHandler.{BeginInvoke() , Invoke()} |