LayerManager.notifyRefreshRequired Method
        
 Notify the layer manager that corresponding node of a viewmodel needs refresh.
 
         
        Parameters
        
            - layerIdOrAdorners
            
 
            - 
                
Type: Array - May be null
ElementType: String or dundas.controls.LayerViewModels
(optional) The list of layers to that requires refreshing, null to refresh all.