function MakeCircle()
{
  var ctrlman = m_Map.GetCtrlMan();
  var ctrlstate = ctrlman.GetControlState();
  
  var layerMan = ctrlman.GetLayerMan();
  var centerLL = ctrlstate.GetLLCenter();
  var util = m_Map.GetUtility();
  var pos = util.GetMapPos();
  pos._Lon = centerLL._X;
  pos._Lat = centerLL._Y;
  
  // Step 1. Make Layer Style
  var style = layerMan.FindStyle(1);
  if (!style) {
    style = layerMan.NewStyle(1);
    style.SetPen(util.RGBColor(255, 0, 0), 0.3, util.GetConstToValue("PS_SOLID"));
  	style.SetBrush(util.RGBAColor(0, 0, 255, 100), util.GetConstToValue("BS_SOLID"));
	}
	
	// Step 2. Make LayerCircle
	var circle = layerMan.NewCircle(100, -1);
	circle.BeginUpdate();
	circle.SetStyle(style);
	// 내부가 채워진 원을 그립니다.
	circle.SetClosed(1);
	// 중심 좌표 설정
	circle.SetCenter(pos);
	// 반지름 설정
	circle.SetRadius(600);
	circle.EndUpdate();
}

function DeleteCircle()
{
  var ctrlMan  = m_Map.GetCtrlMan();
  var layerMan = ctrlMan.GetLayerMan();
  
  // ID값을 가진 XLayer 를 찾습니다.    
  var layer =  layerMan.FindLayer(100);
  if (layer) {
      // XLayer 객체를 삭제 합니다.
      layer.ClearObject();
    } 

}

	CXLayerMan layerman = ctrlman.GetLayerMan();
	CXUtility util = m_Map.GetUtility();
	CXControlState ctrlstate = ctrlman.GetControlState();
	CXPoint centerLL = ctrlstate.GetLLCenter();
	CXPoint pos = util.GetMapPos();
	pos.SetX(centerLL.GetX());
	pos.SetY(centerLL.GetY());

	CXLayerStyle style = layerman.FindStyle(400);
	if (style.m_lpDispatch == NULL)
	{
		style = layerman.NewStyle(400);
		style.SetPen(util.RGBColor(255, 0, 255), 1, util.GetConstToValue(_T("PS_SOLID")));
		style.SetBrush(util.RGBAColor(0, 255, 25, 100), util.GetConstToValue(_T("BS_SOLID")));

	}

	CXLayerCircle Obj = layerman.NewCircle(1, -1);
	Obj.BeginUpdate();
	Obj.SetStyle(style);
	Obj.SetCenter(pos);
	Obj.SetClosed(1); // 0 : 선만 표시 1:내부에 Style 적용
	Obj.SetShowDistance(1);
	Obj.SetShowArea(1);
	Obj.SetCanClick(1);
	Obj.SetCanFocus(1); 
	Obj.SetRadius(100); 
	Obj.EndUpdate();