Testing the Control
A custom User control eventually ends up as a part of a DLL (Dynamic Link Library) file. Components contained in a DLL file, when registered on another user’s machine, can be added to a Visual Basic project or displayed on a Web page in Internet Explorer. However, during the development process, you need a way to test and debug your Windows controls within the Visual Basic .NET design environment. This process is slightly more complicated than debugging a normal Windows Application project because you have to deal with two separate sets of running code: the new control itself and the project using the new control.
Building the Control Project
To make the new control available for use by other projects and applications, you ...
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