Button_OnClick event
This event occurs when a when user clicks a button field on the form.
Syntax
Button_OnClick Form , ButtonName )Arguments
- Form
 - The form object.
 
- ButtonName
 - The name of the button field that was clicked.
 
Remarks
You can use this event to perform tasks such validating user input for a form field or populating other form field values on the form.
Example
Function Button_OnClick(Form,ButtonName)
  'Write custom code to lookup the user's home directory.
  Form.SetFieldValue “Path”, LookupHomeDirectory(Form.UserName)
End Function