add a -NONE option to a form menu INPUT CHOICE

Last Published: April 25, 2020


The form menu INPUT widget does not have a -NONE option; how can it be added to an INPUT widget using the CHOICE option?


Add an option called _NONE_ to the list of choices for that widget. In the return string for that widget add the following action:

&IF [QUOTE %< widget_variable >%] = '_NONE_' &THEN &SET %< widget_variable >%

This allows the variable to be set and exist while containing a null.

Article ID:000001362

  • ArcMap 8 x
  • Legacy Products

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