'Declaration Public Delegate Sub C1GridViewHierarchyRowTogglingEventHandler( _ ByVal sender As System.Object, _ ByVal e As C1GridViewHierarchyRowTogglingEventArgs _ )
public delegate void C1GridViewHierarchyRowTogglingEventHandler( System.object sender, C1GridViewHierarchyRowTogglingEventArgs e )
Parameters
- sender
 - The source of the event.
 - e
 - A C1GridViewHierarchyRowTogglingEventArgs object that contains the event data.