Style Tab, Form Builder
This tab in the Form builder offers several style choices for your controls and the option to enlarge the form to accommodate data. The form size will only enlarge to fit the size of the Maximum Design Area as set in the Forms tab of the Options dialog box.
Style
Specifies the style of the form controls, which is determined by the class of the control. Select a form style to see a preview of what the style will look like.Enlarge Form as Needed check box
Specifies that the builder enlarge the form to accommodate the selected fields; up to the maximum size determined by the design area of the form, if necessary.