If a button was disabled on a screen it was still able to be pressed if the right sequence of was followed.

A disabled button could not be activated with the touch screen on or navigated to with the key pad. However, the button could be selected and receive focus with the touch screen. Once selected, pressing enter on the keypad would activate it.

The PEG graphics library has been modified to prevent a Disabled button from receiving focus with the touch screen or a mouse.