DataCubeCanvasService.showLayers Method
        
 Show layers.
 
         
        Parameters
        
            - layerNameOrAdapters
            
 
            - 
                
Type: Array
ElementType: String or dundas.view.controls.Layer
Array of layer script name or layer adapters to hide. 
            - notUndoable
            
 
            - 
                
Type: Boolean
True to make this command not undoable. 
            - suppressWarning
            
 
            - 
                
Type: Boolean - May be null
(Optional) True to suppress warning.