Structured Exception Handling in Visual Basic

Structured exception handling is a control structure that contains exceptions, isolated blocks of code, and filters to create an exception-handling mechanism. With structured exception handling, your code can differentiate between different types of errors and react accordingly.

In This Section

• Exception Handling Tasks
  Lists common exception-handling tasks, such as how to catch an exception and how to filter exceptions in a Catch block.

• Structured Exception Handling Overview for Visual Basic
  Provides an overview of the advantages and structures of structured exception handling.

• Exception Class in Visual Basic
  Describes the Exception class.

• Walkthrough: Structured Exception Handling
  Provides a walkthrough of creating a simple application and inserting exception-handling code.

• Troubleshooting Exception Handling
  Lists errors commonly encountered when using structured exception handling and describes how to correct them.

Reference

• Throw Statement (Visual Basic)
  Describes the Throw statement and demonstrates how to use it to throw an exception.

• Try...Catch...Finally Statement (Visual Basic)
  Describes Try…Catch…Finally statements and demonstrates how to use them to test code blocks.

Related Sections

• Choosing When to Use Structured and Unstructured Exception Handling
  Describes the advantages of structured and unstructured exception handling.

• Unstructured Exception Handling Overview
  Describes unstructured exception handling and demonstrates how to use it.