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Microsoft Visual Basic 6.0 Desktop: Introduction to COM Components

Audience

Visual Basic 6.0 developers and web applications developers

Prerequisites

A good knowledge of Visual Basic programming

Course Aim

To introduce the Component Object Model (COM)

Learning Objectives

Define the Component Object Model (COM). Explain the meaning of objects, interfaces, clients, and servers in relation to COM. Create class modules. Add properties, events, and methods to classes. Reference, declare, and instantiate COM objects. Use the properties, methods, and events of COM objects. avigate object hierarchies. Write code to handle run-time errors and server requests.

Topics Covered

The Component Object Model (COM) - COM fundamentals - COM terminology - Types of COM component ActiveX clients - Creating objects - Properties, methods, and events - Navigating object hierarchies - Handling run-time errors Classes and objects - Object orientation in Visual Basic - Adding properties to classes - Adding methods and events to classes Hands-on: Creating objects and classes - Live application tutorial - Creating object variables - Handling run-time errors - Building a class module