Display ruler in form window
The ruler is a measurement tool shown at the left and upper edges of the form window. The ruler allows you to check the position of the mouse cursor or items with coordinates. For the display unit of the ruler, you can choose from millimeters, inches, points, or dots.
Coordinates of the mouse pointer are marked in pink on both rulers (vertical and horizontal) shown on the form window. Also, the height and width of the selected item are displayed in blue according to the item size.

Procedure
To show or hide rulers
- Select View - Ruler(horizontal) or Ruler(vertical). - Every time you select it, the horizontal/vertical ruler will be displayed or hidden. While a ruler is displayed, the check mark will be shown next to View - Ruler(horizontal) or Ruler(vertical). - Reference- If both the vertical and horizontal rulers appear on the window, you can hide both of them by clicking the Hide ruler button. To display the ruler again, select View - Ruler(horizontal) or Ruler(vertical).  
To change the display unit of the rulers
- Select View - Change horizontal ruler unit or Change vertical ruler unit. 
- Select the unit from the displayed submenu. - You can select millimeters, inches, points, or dots. If you select "inches" as the unit, make sure that you select the divisions (1/10, 1/12, 3/20, or 1/15) as well. - Selectable unit - Description - mm - The rulers are marked at 1 mm intervals. - inch - The rulers are marked at 1 inch intervals (2.54 cm). - point - The rulers are marked at 6-point intervals and labeled at 72-point intervals (1 inch). - dot - The rulers are marked at 50-dot intervals and labeled at 400-dot intervals (1 inch).