You can add shapes and lines to forms to customize them. For example, you may want to separate groups of controls with a dividing line, or enclose related controls within a box to set them apart.
To add a line to a form
In the Form Controls toolbar, choose the Line button.
Drag in the form to create a line.
You can size and move the line like other controls, or change the slant of the line with the LineSlant Property in the Properties window.
To add a shape to a form
In the Form Controls toolbar, choose the Shape button.
Drag in the form to create a shape.
You can change the type of shape drawn with the Curvature property in the Properties window.