Sent when the text is about to be modified. <p> A verify event occurs after the user has done something to modify the text (typically typed a key), but before the text is modified. The doit field in the verify event indicates whether or not to modify the text. </p>
Classes which implement this interface provide a method that deals with the events that are generated when text is about to be modified. <p> After creating an instance of a class that : this interface it can be added to a text control using the <code>addVerifyListener</code> method and removed using the <code>removeVerifyListener</code> method. When the text is about to be modified, the verifyText method will be invoked. </p>
@see VerifyEvent