I Want to Give A Message On Windows Application Running Over WAN

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Hi All

I have a windows Application which is run over WAN network on Individual PC
Using vb.net ,wcf and Sql Server 2008 R2 .

I want to give a alert message on every pc which is currently running Application
'like (Application is not Allowed after 12 pm )'

so is there any mechanism to display popup Message .

Please Help

Thanks

Posted 30-Dec-14 19:25pm

Naim_86

Updated 30-Dec-14 19:26pm

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Tushar sangani 31-Dec-14 1:45am

set message Box for that

Sergey Alexandrovich Kryukov 31-Dec-14 2:29am

Not allowed after 10 PM?! Cool feature... I guess, bytes also need some rest. :-)
—SA

Richard MacCutchan 31-Dec-14 4:34am

Just add some code to check the time, or add a timer, and show the message when appropriate.

Naim_86 31-Dec-14 4:44am

But when I put a timer , Application get slow bcoz every time inverval it communicate with server to check new message update

Richard MacCutchan 31-Dec-14 4:50am

Then do something different. Please don't expect people here to guess what your application is doing.

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OriginalGriff · Answer 1 · 2014-12-30T23:17:00

There are ways to do this, but basically there are only two that you should look at:
1) Use an application on a central server that the individual PC apps communicate with - a Socket will probably do it. If the connection is lost, the PC app shuts down. Otherwise the server has to note the local time for the PC and tell it to display the message at the appropriate point. Nasty, clumsy, and prone to annoying users...
2) Use a timer in the PC app to check the local time (or time via a server) as you have described. If this method is slowing things down, then either your timer is set to much too high a frequency, or you need to move the "check the time" code into a BackgroundWorker task to prevent it "freezing" the UI while the check is being performed.

I'd go with the timer - that way if the server connection is lost, the user can continue to use the app until the local time expires.