ActiveX lets you create your own controls to be used in different Visual Basic applications. You can also use ActiveX to create controls that can be run on web pages and displayed in Internet Explorer. Learn how with these VB6 tutorials.
Sub classing in Visual Basic is a very powerful concept. However, it fails when you try to implement it from within an ActiveX control. Learn how you can handle window sub classing from withing your active x controls with this tutorial.
The common dialog control allows you to do exactly what you would expect: use common dialogs with in your Visual Basic application. This allows you to use things like the print dialog box, file save and open dialog box, the color selector, and font selector dialog boxes. With this simple control you can display all the common dialogs your used to on a windows system.
Toolbars allow you to provide a simple and effective way to present users with access to different functions within your application you develop. Visual Basic makes it easy for you to add tool bars to your VB6 application. Check out this tutorial to learn exactly how to add this great future to your next program.
This tutorial explains how you can work with Menus in Visual Basic. It covers both normal (on the top) menus and pop-up menus (that "popup" when you right click). You will use both these types of menu's in almost any Visual Basic application you develop.