var ctrlMan = m_Map.GetCtrlMan();
    var layerMan = ctrlMan.GetLayerMan();
    var util = m_Map.GetUtility();
    var ctrlstate = ctrlMan.GetControlState();
    var posLL = ctrlstate.GetLLCenter();
   
    var obj = layerMan.FindLayer(1).FindObject(10); 
    if(obj)
   {   
    alert("개체 존재")
   }

    CXLayerMan layerman = ctrlman.GetLayerMan();
    CXUtility util = m_Map.GetUtility();
    CXControlState ctrlstate = ctrlman.GetControlState();
    CXPoint posLL =  ctrlstate.GetLLCenter();
    // Make Layer Style
    CXLayerStyle style = layerman.NewStyle(200);
    style.SetPen(util.RGBColor(0, 255, 0), 1, util.GetConstToValue(_T("PS_SOLID")));
    style.SetBrush(util.RGBAColor(0, 255, 0, 100), util.GetConstToValue(_T("BS_SOLID")));
    style.SetVisibleLevel(1, 0);
    style.SetVisibleLevel(2, 0);
	
    CXLayer layer = layerman.FindLayer(200);
    if (!layer) {
        layer = layerman.NewLayer(200);
    } 
    CXLayerPolygon polygon = layer.FindObject(1); 
    if( polygon == NULL) {
        polygon = layer.NewPolygon(1); 
        polygon.BeginUpdate();
        // 0: PolyLine, 1: Polygone
        polygon.SetClosed(1); 
        polygon.SetStyle(style);
        polygon.SetCanClick(0);
        polygon.SetCanFocus(0);
        polygon.AddPoint(posLL.GetX() + 100 ,posLL.GetY() + 100);
        polygon.AddPoint(posLL.GetX() + 100 ,posLL.GetY() + 500);
        polygon.AddPoint(posLL.GetX() + 500 ,posLL.GetY() + 500);
        polygon.AddPoint(posLL.GetX() + 500 ,posLL.GetY() + 100);
        polygon.EndUpdate();
    }