void createRegion(double x1, double y1, double theta, double x2, double y2)
{
if (Drawing_Ob != null)
{
Drawing_Ob.Dispose();
}
Drawing_Ob = HDrawingObject.CreateDrawingObject(HDrawingObject.HDrawingObjectType.RECTANGLE2, x1, y1, theta, x2, y2);
Drawing_Ob.SetDrawingObjectParams("color", "green");
Drawing_Ob.OnDrag(getposistion);
window.AttachDrawingObjectToWindow(Drawing_Ob);
}