Field_OnChange event
This event occurs when a List or Boolean field value on the form has changed.
Syntax
Form_OnChange ( Form , FieldName , FieldValue )Arguments
- Form
 - The form object.
 
- FieldName
 - The name of the field.
 
- FieldValue
 - The value of the field.
 
Remarks
You can use this event to perform tasks such as populating other form field values based on the changed field value.
Example
Sub Field_OnChange(Form, FieldName, FieldValue)
  'Write custom code to lookup the user’s home directory.
  If (FieldName = “UserName”) Then
    Form.SetFieldValue “Path”, LookupHomeDirectory(FieldValue)
  End If
End Sub