The field value for any form field associated with this
You may wish to assign or query the form field value using this
Checkboxes and Radio Buttons have a value which is either "Off"
or the on-state of the control as accessible via GetFieldOptions.
Text fields have a free-text value.
Combo Boxes and List Boxes have values restricted to a set of
selections as accessible via GetFieldOptions.
Pushbuttons and Signatures do not have a value.