Usually they will want to jump to the next control, like the Tab key does. BTW, you'll also find this in the Microsoft VB KnowledgeBase. They add that you should set the MultiLine property to False. How do I find out when they are finished. No tasks are done while the DOS command is being executed.
Modal forms are forms which require user input before any other actions can be taken place.
In other words, a modal form has exclusive focus until it is dismissed. When showing a modal form, the program pauses at the SHOW command until the modal form is either hidden or unloaded. SHOW 1 7.2. Modeless forms are those which are shown but do not require immediate user input. Opinions vary greatly on this subject.