FarPoint.Win.Spread.DrawingSpace.ArrowShape a = new FarPoint.Win.Spread.DrawingSpace.ArrowShape();
a.CanMove = FarPoint.Win.Spread.DrawingSpace.Moving.HorizontalAndVertical;
a.Name = "Arrow";
fpSpread1.ActiveSheet.AddShape(a);
FarPoint.Win.Spread.DrawingSpace.RectangleShape r = new FarPoint.Win.Spread.DrawingSpace.RectangleShape();
r.CanMove = FarPoint.Win.Spread.DrawingSpace.Moving.HorizontalAndVertical;
r.Name = "Rect";
fpSpread1.ActiveSheet.AddShape(r);
private void Button1_Click(object sender, System.EventArgs e)
{
fpSpread1.ActiveSheet.JoinShapes("Rect", "Arrow");
}