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, 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 the ...

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