Tab Order property
This is where you specify the order in which the end-user can tab through the various fields, buttons etc. on the window or dialog. The Tab Order list shows the controls that are included, and the Not in Tab Order list shows the controls that are not included.
All controls have a balloon help text with their path within the window. Editing can be performed with drag and drop, and via the keyboard:
•To change the tab order, drag and drop the controls in the Tab Order list into the desired order, or use the keyboard. The Left Arrow key moves the control one place up in the list. The Right Arrow key moves it one place down.
•To exclude a control (so that end-users cannot reach it via the TAB key), drag and drop it to the Not in Tab Order list, or press Enter.
•To include a control that is in the Not in Tab Order List, drag and drop it to the Tab Order list, or press Enter. It is placed above the currently selected item in the Tab Order list. If no control has been selected, the control is placed at the bottom.