public void Refresh()
{
drawer.ClearPriceShapes();
drawer.ClearShapes();
if (title != null)
{
drawer.DrawShape(title);
}
for (int i = 0; i < priceShapes.Count; i++)
{
DrawShape(priceShapes[i]);
}
}
public void ClearShapes()
{
this.shapes.Clear();
drawer.ClearShapes();
drawer.ClearPriceShapes();
}