How to show progressbar for unknown process time

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Sir
I am uday satardekar

In my c sharp winform application,i am trying to show progressbar for long running process which take more than one minute.

But this time is unknown.so how i can show progressbar for that
Thanks .........

Posted 26-Aug-11 19:16pm

udusat13

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Abhinav S · Answer 1 · 2011-08-26T19:48:00

Solution 1

Couple of links to help you out -
http://social.msdn.microsoft.com/Forums/en/csharpgeneral/thread/80d0f0d9-c077-429d-8830-5f97771f5e03[^]
http://www.codeguru.com/forum/showthread.php?t=404051[^]

Posted 26-Aug-11 19:48pm

Abhinav S

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udusat13 27-Aug-11 3:00am

I am getting confused regarding backgroundworker.

on my button click i am calling following long running method

if (checkValidRowsEmails() == true && validation())
{
addDataUsingXml1();
}

please help me

Philippe Mori · Answer 2 · 2011-08-27T03:16:00

In response to your comment in Solution 1, here is my solution...

Essentially, you simply drop a background worker from the toolbox unto the the form and then hook up events and set properties as required. In your button click handler, you tell your background worker to start and you use its ReportProgress to report progress to the UI thread.

Since your duration is inderminate, you can set the appropriate style on the progress bar... or you might somehow try to find a way to estimate how long it would take. For example, you might uses the time taken to do some initial step and uses some ratio to estimate the total time. Add an extra 5% to that and if at the end of time, it is still not completed, set the progress bar in the indeterminated state again.

All steps are clearly explained here. Although that example if for Silverlight, it is essentially the same on WinForms (but you can hook events with the designer).

How to: Use a Background Worker[^]