Microsoft® Visual Basic® 2008 Step by Step

Chapter 9. Trapping Errors by Using Structured Error Handling

After completing this chapter, you will be able to:

• Manage run-time errors by using the Try…Catch error handler.

• Create a disc drive error handler that tests specific error conditions by using the Catch When statement.

• Write complex error handlers that use the Err object and Err.Number and Err.Description properties to identify exceptions.

• Build nested Try…Catch statements.

• Use error handlers in combination with defensive programming techniques.

• Leave error handlers prematurely by using the Exit Try statement.

In Chapter 8, Chapter 8, you learned how to recognize run-time errors in a Microsoft Visual Basic program and how to locate logic errors and other defects in your program code by using ...