Once you’ve added all the controls to the dialog box, you can also:
You can see the tab order by clicking Tab Order from the Layout menu. To change the tab order, click each control in the order you want as the tab order.
If you want to see how the dialog box will look when it’s displayed, click the Test command from the Layout menu. This displays the dialog box as it will appear in Scribble, enabling you to test aspects such as the tab order, default button, and so on. Exit Test mode by clicking either the OK or Cancel button on the dialog box or by pressing the ESC key.