public void AddNotificationMark(float lnt, float lat, ColorValue color) { Point pt = GetPosition(MathEx.Degree2Radian(lnt), MathEx.Degree2Radian(lat)); pt.X += MapX; pt.Y += MapY + PanelY; Popup2 pop2 = new Popup2(renderSys, mapCircle, pt.X, pt.Y, 3, color); marks.Add(pop2); }