VB Interview Questions - Part III

Monday, November 26, 2007

General VB Programming QuestionsThese questions cover some common situations in programming in VB. You'll probably want to add your own that are specific to your project.

  • If you were writing a program, what method would you use to send information from the main form of the application to a modal popup form and then pass any changes to the data back to the main form when the popup form was closed?
  • How would you center a form on the screen? How about centering it on another form?
  • If an event, such as a tool bar button or menu click,occurs on a MDI parent how can it invoke an action on one or more MDI child forms?
  • What are some methods you can use to send data from one VB executable to another one?
  • What are the differences between a standard module and a class module?
  • What do you have to do to make your class visible to programs other than your own?
  • How can you tell what kind of object an object variable is holding?
  • Describe the different scopes of variables in VB.
  • Describe the difference between a public variable in a form and one in a standard code module.
  • How do you handle error conditions in your code?
  • What are some uses and misuses of variants?
  • What are some of the steps you can take to determine why your program is crashing with "Invalid Page Fault" errors?
  • What are the different ways you can use threading in VB? When are they appropriate?
  • How many tabs in a tabbed dialog do you consider appropriate?
  • How many items should you make available to users in a listbox or combo box?


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