This is one of the features which have been done for one of Xpflow releases and quite exciting in nature which has prompted me to write this article. There are cases where the data being displayed in textual or graphical format changes over-time and we would like the users to be aware about it even without having to refresh the screen.

Typical applications: Email – when we get a new email - we want our selves to be notified about it automatically. Also if we want to develop a monitoring application where the status of network, hardware etc which needs to be monitored at the real time, Stock market observers, viewing cricket scores and many more.

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