The Variable Selection dialog is presented in response to clicking the Variable button on the Constraint Side dialog. The Variable Selection dialog has a Cell box and OK and Cancel buttons. After the Variable Selection dialog is displayed, the Excel worksheet is enabled so you may click the cell that contains the Variable that you wish to enter into the constraint. Clicking a cell causes the cell address to be placed in the Select DesignSpaceVariable Cell box.
Clicking OK will dismiss the Variable Selection dialog and place the selected cell address in the expression box of the Constraint Side dialog.
Clicking cancel will dismiss the Variable Selection dialog and not alter the Constraint Side dialog.