Open only one instance of Windows Calculator

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Dear Friends,

I have opened a windows calculator on the click of a button on my web application but the moment i again click on the same button again, an another instance of the windows calculator opens again.

How can i ensure that only one instance should be opened at a time.

Thanks

Varun Sareen

Posted 11-Nov-11 2:25am

Varun Sareen

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JackDingler · Answer 1 · 2011-11-11T04:14:00

Solution 1

You'll need to see if the process is open before you launch it.

This example may help.
http://msdn.microsoft.com/en-us/library/ms682623.aspx[^]

Posted 11-Nov-11 4:14am

JackDingler

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Varun Sareen 11-Nov-11 20:41pm

hey dear jack, the solution you gave me is unclear and not up to the mark :(

JackDingler 11-Nov-11 23:07pm

Every process running has a name and an ID. That source code allows you to iterate through all of the running processes.

If one of the processes is 'calculator.exe', then don't launch another instance.