xmpp - C# Client to Client Messaging -
I will try and make clear what I want to achieve first. Imagine two users when the user opens a particular form, then the form is applied to the underlying data records, so that the user can only make changes at that time. User B has a list of all records (in a grid) that is already in reference to the records opened by user A among others. What we want to do, when the user opens A record, then the user is updated to show a lock icon next to the line to update the record list of B. The record is in use. This is a trivial example of what we do with messaging but you get the idea that User A does something that user B should know about it. I have implemented a system using Cobar-Net for C # and an Open Fire Jabber server. Actually when the message is sent, a new line will be inserted on the message table in the database. The message table is seen by a service client using the SqlDependency object, so when a new message is created, the service creates relevant messages and sen...