protected override void InsertItem( 
   int ,
    
)
             
        
            
            Protected Overrides Sub InsertItem( _
   ByVal  As Integer, _
   ByVal  As  _
) 
             
        
            
            protected override void InsertItem( 
   int index,
    item
)
             
        
            
            
public void add(int index, E object)
             
        
            
             function Leadtools.Annotations.Core.AnnObservableCollection.InsertItem( 
   index ,
   item 
)