In this article, I will give you a step by step guide on how to add a group chat in Elgg 1.8
1. First, we will download a plugin from the Elgg community called Group Chat for Elgg 1.8 (you must have Elgg 1.8 for this) which can be downloaded here Group Chat
2. After downloading the plugin, upload the plugin to the mod folder. If you don’t know how to do that, please read this article
3. Login on your Elgg network as an Administration and go to the Administration Dashboard: Learn More
When calling a cross-domain service, Silverlight will check for the existence of clientaccesspolicy.xml first. This is the format defined by Silverlight and provides a pretty flexible way to define who can access what services. If not found, it will then default to look for crossdomain.xml, which is the file format implemented for Adobe Flash. It is important to note that this file will also still work for most public web services. Learn More
This is necessary in order to be able to refer to an assembly of several projects and not to transfer the assembly each time with the project.
After installing Silverlight, in dialogue “Add reference” Visual Studio, we can see a set of standard assemblies that are part of Silverlight.
As it turned out, in order to enable the assembly to refer to any of the projects through dialogue “Add reference”, you need to add a special key in the registry: Learn More