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
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Illustrates how events are declared and raised in Visual Basic.
- Handling Events
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Shows how to handle events using either the standard WithEvents keyword or the new AddHandler/RemoveHandler keywords.
- Defining Classes
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Describes how to declare a class and its fields, properties, methods, and events.
- Calling Windows APIs
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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
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Shows how interfaces are declared and implemented in Visual Basic.
- Multithreading
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Shows how to create a multithreaded application that searches a text file for occurrences of a word.
- Structured Exception Handling
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Demonstrates how to create and maintain programs with comprehensive error handling, and how to use Try...Catch...Finally.
- Creating COM Objects with Visual Basic
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Demonstrates how to create COM objects in Visual Basic, both with and without the COM class template.
- Implementing Inheritance with COM Objects
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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
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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
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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.