Visual Basic Language Walkthroughs

Walkthroughs give step-by-step instructions for common scenarios, which makes them a good place to start learning about the product or a particular feature area.

In This Section

• Walkthrough: Declaring and Raising Events
  Illustrates how events are declared and raised in Visual Basic.

• Handling Events
  Shows how to handle events using either the standard WithEvents keyword or the new AddHandler/RemoveHandler keywords.

• Defining Classes
  Describes how to declare a class and its fields, properties, methods, and events.

• Calling Windows APIs
  Explains how to use Declare statements and call Windows APIs. Includes information about using attributes to control marshaling for the API call and how to expose an API call as a method of a class.

• Creating and Implementing Interfaces
  Shows how interfaces are declared and implemented in Visual Basic.

• Multithreading
  Shows how to create a multithreaded application that searches a text file for occurrences of a word.

• Structured Exception Handling
  Demonstrates how to create and maintain programs with comprehensive error handling, and how to use Try...Catch...Finally.

• Creating COM Objects with Visual Basic
  Demonstrates how to create COM objects in Visual Basic, both with and without the COM class template.

• Implementing Inheritance with COM Objects
  Demonstrates how to use Visual Basic 6.0 to create a COM object containing a class, and then use it as a base class in Visual Basic.

• Manipulating Files and Folders in Visual Basic
  Demonstrates how to use Visual Basic functions to determine information about a file, search for a string in a file, and write to a file.

• Manipulating Files Using .NET Framework Methods
  Demonstrates how to use .NET Framework methods to determine information about a file, search for a string in a file, and write to a file.

Related Sections

• Visual Basic Walkthroughs
  Provides links to Visual Basic walkthroughs covering distributed applications, data, Web services, Windows Forms, Web Forms, component and control authoring, Framework Services, upgrading, internationalization, and accessibility.