var ctrlman = m_Map.GetCtrlMan();
var ctrlstate = ctrlman.GetControlState();
var uiman = ctrlman.GetUIMan();
var size = ctrlstate.GetSizeDP();

var menu = m_Map.GetApplication().GetPopupMenu();
var item;
menu.Create();

var submenu = menu.AppendSubMenu("[선택]", ""); 
submenu.AppendString(1, "Test1", "Test", "Test", 1);
submenu.AppendString(2, "Test2", "Test", "Test", 1);
submenu.AppendSeparator();
submenu.AppendString(3, "Test3", "Test", "Test", 1);
submenu.AppendString(4, "Test4", "Test", "Test", 1);
  
var pos = uiman.ClientToScreen(X, Y);
var item = menu.TrackPopupMenu(Flag, pos._X, pos._Y);


menu.DestroyPopupMenu();

CXApplication app = m_Map.GetApplication();
CXPopupMenu menu = app.GetPopupMenu();
menu.Create();
menu.AppendString(1, _T("1번 메뉴"), _T(""), _T(""), 1);
menu.AppendString(2, _T("2번 메뉴"), _T(""), _T(""), 2);
menu.AppendSeparator();
menu.AppendString(3, _T("3번 메뉴"), _T(""), _T(""), 3);
menu.AppendSubMenu(_T("4번 메뉴"), _T(""));