The Application Launcher

The application launcher developed in this chapter allows an application to update itself with automatic file downloads. This model is used, in a slightly different fashion, in the popular .NET Terrarium learning game developed by Microsoft architects to demonstrate .NET. (You can download the Terrarium application, but not the source code, from

The key principle in this model is that the user never loads the application directly. Instead, the user launches a stub program called the application launcher. This program queries an XML Web service to determine whether a new version of the target program is available. If it is, the launcher notifies the user or installs it automatically. ...

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