FarPoint.Win.Spread.DrawingSpace.GradientSection grd = new FarPoint.Win.Spread.DrawingSpace.GradientSection(Color.Empty, 50,
255);
grd.Color = Color.Red;
FarPoint.Win.Spread.DrawingSpace.RectangleShape rs = new FarPoint.Win.Spread.DrawingSpace.RectangleShape();
rs.Name = "GradientRect";
rs.Gradient.Style = FarPoint.Win.Spread.DrawingSpace.GradientStyle.RadialFromCenter;
rs.Gradient.Sections[0] = grd;
fpSpread1.ActiveSheet.AddShape(rs);
Dim grd As New FarPoint.Win.Spread.DrawingSpace.GradientSection(Color.Empty, 50, 255)
grd.Color = Color.Red
Dim rs As New FarPoint.Win.Spread.DrawingSpace.RectangleShape
rs.Name = "GradientRect"
rs.Gradient.Style = FarPoint.Win.Spread.DrawingSpace.GradientStyle.RadialFromCenter
rs.Gradient.Sections(0) = grd
FpSpread1.ActiveSheet.AddShape(rs)