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- Creating Visual Basic Components for the Web
- Making a Web-Aware ActiveX Custom Control
- Understanding Custom Controls and Asynchronous Transfer
- Working with UserControl.AsyncRead
- Downloading a Graphic
- Understanding Properties in Terms of AsyncRead
- Working with the FileSystemObject
- Compiling the Custom Control
- Packing the Custom Control
- Deploying the Custom Control with a Sample Page
- Updating the Custom Control
- Conclusion
Making a Web-Aware ActiveX Custom Control
Wouldn't it be really cool if you could make an ActiveX Control that you can download in a Web page? Wouldn't it be really cool if this control, once downloaded, could call back to some server on the Internet to get the data that it needs the moment it needs it? Wouldn't it be really cool if updating the control was no harder than creating a new CAB file, embedding this new version in an ASP page that transports it, and updating the version information in the ASP code? Well it is really cool, and you can do it. Here’s how.