- Article
- 07/13/2016
- 5 minutes to read
The About Asynchronous Pluggable Protocols article describes how to develop handlers for Uniform Resource Identifier (URI) schemes. In some cases, it may be desirable to invoke another application to handle a custom URI scheme. To do so, register the existing application as a URI pluggable protocol handler and associate it with the custom URI scheme. Once the application has successfully launched, it can use command-line parameters to retrieve the URI that launched it. These settings apply to pluggable protocol handlers launched from within Windows Internet Explorer and from Windows Explorer using the Run... command (Windows logo key