Member variable Xbp3State():pointerFocus Foundation
Indicates whether the three state button receives input focus when the mouse is clicked on it.
The instance variable :pointerFocus contains the value .T. (true) by default. This means that the three state button receives the input focus after the mouse is clicked on it. If the value is set to .F. (false), the user can only change the value of the three state button using mouse clicks and not using the space bar, since the object can no longer receive input focus.
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