SelectionAdorner.getClosestDesignObject Method
        
 Retrieves the closest design object relative to toCheckRectangle.
 
         
        Parameters
        
            - toCheckRectangle
            
 
            - 
                
Type: Rectangle
The bounded area to check, in BACKGROUND coordinate system. 
        
        Return Value
        
Type: DesignObjectViewModel
        
The closest design object.