'Declaration Public Delegate Sub C1GridViewHierarchyRowToggledEventHandler( _ ByVal sender As System.Object, _ ByVal e As C1GridViewHierarchyRowToggledEventArgs _ )
public delegate void C1GridViewHierarchyRowToggledEventHandler( System.object sender, C1GridViewHierarchyRowToggledEventArgs e )
Parameters
- sender
 - The source of the event.
 - e
 - A C1GridViewHierarchyRowToggledEventArgs object that contains the event data.