Question

Timer in c#

Asked by: NurveTech

I need a timer to run as my progress bar runs, I want it to increase one second at a time.
here is how I have tried to do it so far, but im missing something, please help.

Thank You.

Nurve Tech


        public string GetTime()
        {
            string TimeInString = "";
            int min = 0;
            int sec = 0;

            if (sec == 60)
            {
                min++;
                sec = 0;
               
            }
            else
            {
                ++sec;
                TimeInString = min + ":" + sec++;
               
            }
           
            return TimeInString;
           
        }

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Asked On
2007-08-21 at 13:37:13ID22777937
Tags

timer

Topics

Microsoft Visual C#.Net

,

C# Programming Language

,

.NET Framework 2.x

Participating Experts
3
Points
500
Comments
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Answers

 

by: JimBrandleyPosted on 2007-08-21 at 13:56:30ID: 19741482

Do you want to display an elapsed time? Say the time spent on the activity driving the progress bar so far?

Jim

 

by: FernandoSotoPosted on 2007-08-21 at 14:06:50ID: 19741587

Hi NurveTech;

Place a Timer control on to the form and set its Interval property to 1000 and its Enable property to false which should be the default. The when you need to start the progress bar turn on the timer with a statement like this.

        timer1.Enabled = true;

This event will be called once a second.

        private void timer1_Tick(object sender, EventArgs e)
        {
            // Update progress bar
            progressBar1.Increment(1);
            if (progressBar1.Value == progressBar1.Maximum)
            {
                progressBar1.Value = 0;
            }
        }

        // The to turn off the progress bar stop the timer like this.
        timer1.Enabled = false;

Now be aware that this code will not work well if you are doing a long process if the process does not do a Application.DoEvents(); or the process is running in a separate thread.

Fernando

 

by: NurveTechPosted on 2007-08-21 at 14:15:19ID: 19741662

I want to display a timer that goes up every second so it looks like

0:1...0:23...0:56...1:13

after it gets to 60 seconds i want it to increase the minute by one, then start the second count over again.

 

by: FernandoSotoPosted on 2007-08-21 at 15:43:58ID: 19742336

hI NurveTech;

This should do what you need.

using System.Diagnostics;
using System.Timers;

        private delegate void SetLabelDelegate();
        private string TimeInString = String.Empty;
        private Stopwatch sw = new Stopwatch();
        private System.Timers.Timer timer1 = new System.Timers.Timer();

        private void Form1_Load(object sender, EventArgs e)
        {
            timer1.Elapsed += new System.Timers.ElapsedEventHandler(OnTimedEvent);
        }

        private void OnTimedEvent(object source, ElapsedEventArgs e)
        {
            TimeInString = sw.Elapsed.Minutes.ToString("00") + ":" +
                sw.Elapsed.Seconds.ToString("00");
            SetLabel();
        }

        private void SetLabel()
        {
            if (label1.InvokeRequired)
            {
                SetLabelDelegate setlabel = new SetLabelDelegate(SetLabel);
                this.Invoke(setlabel);
            }
            else
            {
                label1.Text = TimeInString;
            }
        }


Use this code when you want to start the timing.

            sw.Reset();
            TimeInString = "0:0";
            sw.Start();
            timer1.Enabled = true;

And use this code when you want to stop the timer.

            sw.Stop();
            sw.Reset();
            timer1.Enabled = false;


Fernando

 

by: aas2000Posted on 2007-08-22 at 04:39:43ID: 19745109

Use a Timer control (System.Windows.Forms.Timer).
Set the Interval property to 1000 (melliseconds) and place your code inside the Timer.Tick event handler.
Call the Timer.Start method to start the timer.

20120131-EE-VQP-002

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