winform hang when user not working?

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i m working on window app... i m facing problem......actually i want hang my form if user is not working till 5 min .he got a message you have expired ..first u login u can activate......plz solve my problem

with regards
kuldeep vyas
developer in Real Expert cor pvt ltd.

Posted 10-Oct-12 20:05pm

kuldeepcse

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Oshtri Deka 11-Oct-12 2:09am

Let us see your code.

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Oshtri Deka · Answer 1 · 2012-10-10T20:27:00

You'll need timer to measure idle time and some kind of tracking mechanism to keep track of user's interaction with form. If idle time elapses then you'll have to inform user with MessageBox etc.
In this case I would use System.Timers.Timer class.

C#

private void someTextBox_TextChanged(object sender, EvetArgs e)
{
    //do some work
    ResetIdleTimer();
}

private void someCheckBox_ChekChanged(object sender, EvetArgs e)
{
    //do some work
    ResetIdleTimer();
}

//.....
//etc. you got the picture
//.....

private void ResetIdleTimer()
{
   idleTimer.Stop();
   idleTimer.Start();
}


void idleTimer_Elapsed(object sender, ElapsedEventArgs e)
{
    MessageBox.Show("Whatever you want to say to user");
    //your logging off code  and closing code go here
    //this.Close();
}

lukeer · Answer 2 · 2012-10-10T20:30:00

Incorporate a System.Windows.Fomrs.Timer[^]. Set its Interval[^] property to five minutes. Subscribe a method to its Tick[^] event. In that method, disable your Form and show the "You've been logged out..." message.

Now you have to catch each and every possible user intaraction. With every user interaction, first Stop[^] the timer, then Start[^] it again. AFAIR that will cause the timer to wait for Interval again. If not, set the interval before calling Start.

winform hang when user not working?

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