NSmartShape shape = new NSmartShape();
shape.Name = "Cross";
NShapeSheet sheet = shape.Sheet; 

// modify the transform
sheet.TransformSection.Width.Value = 200;
sheet.TransformSection.Height.Value = 200;
sheet.TransformSection.Angle.Value = 0;
sheet.TransformSection.PinX.Value = 100;
sheet.TransformSection.PinY.Value = 100;
sheet.TransformSection.LocPinX.Formula = "Width*0.5";
sheet.TransformSection.LocPinY.Formula = "Height*0.5";

// add a geometry
NGeometrySection geometry1 = new NGeometrySection("Geometry1", "Geometry1");
sheet.Sections.Add(geometry1);

geometry1.AddMoveTo("0", "Height/2-Scratch.Y1");
geometry1.AddLineTo("Width/2-Scratch.X1", "Geometry1.Y1");
geometry1.AddLineTo("Geometry1.X2", "0");
geometry1.AddLineTo("Geometry1.X2+2*Scratch.X1", "0");
geometry1.AddLineTo("Geometry1.X4", "Geometry1.Y2");
geometry1.AddLineTo("Width", "Geometry1.Y1");
geometry1.AddLineTo("Geometry1.X6", "Geometry1.Y1+2*Scratch.Y1");
geometry1.AddLineTo("Geometry1.X4", "Geometry1.Y7");
geometry1.AddLineTo("Geometry1.X4", "Height");
geometry1.AddLineTo("Geometry1.X2", "Geometry1.Y9");
geometry1.AddLineTo("Geometry1.X2", "Geometry1.Y7");
geometry1.AddLineTo("0", "Geometry1.Y7");
geometry1.AddLineTo("Geometry1.X1", "Geometry1.Y1");

// add scratches
sheet.ScratchSection = new NScratchSection();
sheet.ScratchSection.AddScratch(
 new NSingleFormulaCell("ABS(User.ControlX2-Width/2)"), 
 new NSingleFormulaCell("ABS(User.ControlY1-Height/2)"), 
 new NSingleFormulaCell(""), 
 new NSingleFormulaCell(""), 
 new NSingleFormulaCell(""), 
 new NSingleFormulaCell(""));

// add users
sheet.UserDefinedCellsSection = new NUserDefinedCellsSection();
sheet.UserDefinedCellsSection.AddUserCell("ControlX1", "MAX(0,MIN(Width/2,Controls.X1))");
sheet.UserDefinedCellsSection.AddUserCell("ControlX2", "MAX(0,MIN(Width/2,Controls.X2))");
sheet.UserDefinedCellsSection.AddUserCell("ControlY1", "MAX(0,MIN(Height/2,Controls.Y1))");
sheet.UserDefinedCellsSection.AddUserCell("ControlY2", "MAX(0,MIN(Height/2,Controls.Y2))");

// add controls
sheet.ControlsSection = new NControlsSection();
sheet.ControlsSection.AddControl("Width*0", "Height/2-10", true, ControlBehavior.Locked, ControlBehavior.OffsetFromCenter, "First control point");
sheet.ControlsSection.AddControl("Width/2-10", "Height*0", true, ControlBehavior.OffsetFromCenter, ControlBehavior.Locked, "Second control point");

shape.FillStyle = new NColorFillStyle(Color.Honeydew);
shape.StrokeStyle = new NStrokeStyle(1, Color.Black);