C combobox validating

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To start, we create a text field and bring up the properties dialog for the field.Then we select the “Validate” tab to see the validation options: The default is that the field will not get validated.Let’s take a look at how to do that with a text field that is only supposed to have a value of either ‘AAAA’ or ‘BBBB’ (yes, I know that this does not make much sense in a real PDF form).So, if the user enters ‘01234’ we should see an error message that would instruct the user about what type of data is valid for this field.One of the questions I get asked again and again is how to validate a field value in an Acro Form with a custom validation script.

Right now it's only doing it for the first control is recognizes as empty? Visible Then Msg Box("fill in the textbox") Text Box3.

As I mentioned before, information is passed to the validation function in the event object, and in the code we see that the member ‘value’ is used to communicate the current value of the field.

The member ‘rc’ (or return code) is used to communicate back if the validation was successful or not.

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