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Asynchronous Pluggable Protocol Overviews

Asynchronous pluggable protocols enable developers to create pluggable protocol handlers, MIME filters, and namespace handlers.

Note  Third-party protocol implementations won't load in Windows Store apps using JavaScript, or in the Internet Explorer in the new Windows UI.

In this section

TopicDescription

About Asynchronous Pluggable Protocols

Asynchronous pluggable protocols enable developers to create pluggable protocol handlers, MIME filters, and namespace handlers that work with Microsoft Internet Explorer 4.0 and later and a URL moniker. This article covers the pluggable protocol functionality exported by the Urlmon.dll DLL.

Debugging Tips

This article provides tips for handling exceptions and understanding HRESULT error codes generated by pluggable protocols.

Predefined Protocols

Windows Internet Explorer implements various protocols that can be used to identify certain information. A protocol is a set of rules and standards that enables two or more computers to communicate.

Registering an Application to a URI Scheme

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+R).

 

 

 

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