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Summary

This chapter introduced you to basics of UI design with regard to data entry programs. You used the following controls, among others:

Using these controls, you learned how to set up a simple data entry form and steer the user to enter values that were valid to begin with. You also saw how to prevent the user from doing certain things based upon the current data entry situation.

In the PowerUser project, you used certain Buttons to enable and disable some controls as well as other Buttons. This is desirable so you don't have to constantly check if the user is supposed to click a certain button while the program is in a certain state.

The last part of the chapter dealt with resizing controls and ambient properties. Both of these things will gain importance as you move on through the book.

The next chapter deals with more advanced data validation, including the use of some new controls.


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