var ctrlMan = m_Map.GetCtrlMan();
    var layerMan = ctrlMan.GetLayerMan();
    var util = m_Map.GetUtility();
    var ctrlstate = ctrlMan.GetControlState();
    var posLL = ctrlstate.GetLLCenter();
  
    var x = posLL.GetX(); 
    var y = posLL.GetY();
  
    var ptlist =  util.GetPointList();
    var point  = util.GetPoint(x, y-400);
    ptlist.Add(point);

    var obj = layerMan.FindLayer(1).FindObject(10);
    if(obj)
   {   
        obj.AddPointList(ptlist);    
		
   }
    

준비중입니다...