How do i change the value of progressbar from minutes?

-4

i'm doing a "shutdowner" project in WinForm.
I can enter there a amount of minutes, after these minutes the pc shutdown.
Now i create a progressbar, min Value of 0, Max Value of 100.

e.g:
I enter 3 minutes (180 sec), and click on a "start" button, the value should be 0, and it should be 100 when the PC shutdowns (after the entered minutes).

I tried some math, but i didn't got it to work.
Thanks for you help!

asked Nov 20 at 17:28

maDPname1337

Can you show us some of the code you have tried.
– Ryan Schlueter
Nov 20 at 17:33

1

Why not just set the max value to the number of seconds? Saves you having to do any maths.
– Handbag Crab
Nov 20 at 17:34

Did you have a look at the ProgressBar documentation? docs.microsoft.com/en-us/dotnet/api/…
– Klaus Gütter
Nov 20 at 17:34

Show us your math. This is a ridiculously easy problem that can be solved by simple division.
– Frontear
Nov 20 at 17:37

@RyanSchlueter i deleted the codes, because there weren't working HandbagCrab because i want 100% ;)
– maDPname1337
Nov 20 at 17:37

|
show 4 more comments

-4

i'm doing a "shutdowner" project in WinForm.
I can enter there a amount of minutes, after these minutes the pc shutdown.
Now i create a progressbar, min Value of 0, Max Value of 100.

e.g:
I enter 3 minutes (180 sec), and click on a "start" button, the value should be 0, and it should be 100 when the PC shutdowns (after the entered minutes).

I tried some math, but i didn't got it to work.
Thanks for you help!

asked Nov 20 at 17:28

maDPname1337

Can you show us some of the code you have tried.
– Ryan Schlueter
Nov 20 at 17:33

1

Why not just set the max value to the number of seconds? Saves you having to do any maths.
– Handbag Crab
Nov 20 at 17:34

Did you have a look at the ProgressBar documentation? docs.microsoft.com/en-us/dotnet/api/…
– Klaus Gütter
Nov 20 at 17:34

Show us your math. This is a ridiculously easy problem that can be solved by simple division.
– Frontear
Nov 20 at 17:37

@RyanSchlueter i deleted the codes, because there weren't working HandbagCrab because i want 100% ;)
– maDPname1337
Nov 20 at 17:37

|
show 4 more comments

-4

i'm doing a "shutdowner" project in WinForm.
I can enter there a amount of minutes, after these minutes the pc shutdown.
Now i create a progressbar, min Value of 0, Max Value of 100.

e.g:
I enter 3 minutes (180 sec), and click on a "start" button, the value should be 0, and it should be 100 when the PC shutdowns (after the entered minutes).

I tried some math, but i didn't got it to work.
Thanks for you help!

asked Nov 20 at 17:28

maDPname1337

i'm doing a "shutdowner" project in WinForm.
I can enter there a amount of minutes, after these minutes the pc shutdown.
Now i create a progressbar, min Value of 0, Max Value of 100.

e.g:
I enter 3 minutes (180 sec), and click on a "start" button, the value should be 0, and it should be 100 when the PC shutdowns (after the entered minutes).

I tried some math, but i didn't got it to work.
Thanks for you help!

c# winforms

asked Nov 20 at 17:28

maDPname1337

asked Nov 20 at 17:28

maDPname1337

asked Nov 20 at 17:28

maDPname1337

asked Nov 20 at 17:28

maDPname1337

asked Nov 20 at 17:28

maDPname1337

Can you show us some of the code you have tried.
– Ryan Schlueter
Nov 20 at 17:33

1

Why not just set the max value to the number of seconds? Saves you having to do any maths.
– Handbag Crab
Nov 20 at 17:34

Did you have a look at the ProgressBar documentation? docs.microsoft.com/en-us/dotnet/api/…
– Klaus Gütter
Nov 20 at 17:34

Show us your math. This is a ridiculously easy problem that can be solved by simple division.
– Frontear
Nov 20 at 17:37

@RyanSchlueter i deleted the codes, because there weren't working HandbagCrab because i want 100% ;)
– maDPname1337
Nov 20 at 17:37

|
show 4 more comments

Can you show us some of the code you have tried.
– Ryan Schlueter
Nov 20 at 17:33

1

Why not just set the max value to the number of seconds? Saves you having to do any maths.
– Handbag Crab
Nov 20 at 17:34

Did you have a look at the ProgressBar documentation? docs.microsoft.com/en-us/dotnet/api/…
– Klaus Gütter
Nov 20 at 17:34

Show us your math. This is a ridiculously easy problem that can be solved by simple division.
– Frontear
Nov 20 at 17:37

@RyanSchlueter i deleted the codes, because there weren't working HandbagCrab because i want 100% ;)
– maDPname1337
Nov 20 at 17:37

Can you show us some of the code you have tried.
– Ryan Schlueter
Nov 20 at 17:33

Why not just set the max value to the number of seconds? Saves you having to do any maths.
– Handbag Crab
Nov 20 at 17:34

Did you have a look at the ProgressBar documentation? docs.microsoft.com/en-us/dotnet/api/…
– Klaus Gütter
Nov 20 at 17:34

Show us your math. This is a ridiculously easy problem that can be solved by simple division.
– Frontear
Nov 20 at 17:37

@RyanSchlueter i deleted the codes, because there weren't working HandbagCrab because i want 100% ;)
– maDPname1337
Nov 20 at 17:37

|
show 4 more comments

1 Answer
1

active

oldest

votes

-1

Try something like...

    private int totalSeconds;

    private DateTime targetTime;



    private void button1_Click(object sender, EventArgs e)

    {

        int mins = (int)numericUpDown1.Value;

        if (mins > 0)

        {

            TimeSpan ts = TimeSpan.FromMinutes(mins);

            targetTime = DateTime.Now.Add(ts);

            totalSeconds = (int)ts.TotalSeconds;

            progressBar1.Value = 0;

            button1.Enabled = false;

            timer1.Interval = 1000;

            timer1.Start();

        }

    }



    private void timer1_Tick(object sender, EventArgs e)

    {

        TimeSpan ts = targetTime.Subtract(DateTime.Now);

        if (ts.TotalMilliseconds > 0)

        {

            label1.Text = "-" + ts.ToString(@"mm:ss");

            double percent = ((double)totalSeconds - ts.TotalSeconds) / (double)totalSeconds;

            progressBar1.Value = (int)(progressBar1.Maximum * percent);

        }

        else

        {

            timer1.Stop();

            button1.Enabled = true;

            progressBar1.Value = progressBar1.Maximum;



            // ... do something here! ...



        }

    }

answered Nov 20 at 18:05

Idle_Mind

22.3k21424

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

-1

Try something like...

    private int totalSeconds;

    private DateTime targetTime;



    private void button1_Click(object sender, EventArgs e)

    {

        int mins = (int)numericUpDown1.Value;

        if (mins > 0)

        {

            TimeSpan ts = TimeSpan.FromMinutes(mins);

            targetTime = DateTime.Now.Add(ts);

            totalSeconds = (int)ts.TotalSeconds;

            progressBar1.Value = 0;

            button1.Enabled = false;

            timer1.Interval = 1000;

            timer1.Start();

        }

    }



    private void timer1_Tick(object sender, EventArgs e)

    {

        TimeSpan ts = targetTime.Subtract(DateTime.Now);

        if (ts.TotalMilliseconds > 0)

        {

            label1.Text = "-" + ts.ToString(@"mm:ss");

            double percent = ((double)totalSeconds - ts.TotalSeconds) / (double)totalSeconds;

            progressBar1.Value = (int)(progressBar1.Maximum * percent);

        }

        else

        {

            timer1.Stop();

            button1.Enabled = true;

            progressBar1.Value = progressBar1.Maximum;



            // ... do something here! ...



        }

    }

answered Nov 20 at 18:05

Idle_Mind

22.3k21424

add a comment |

-1

Try something like...

    private int totalSeconds;

    private DateTime targetTime;



    private void button1_Click(object sender, EventArgs e)

    {

        int mins = (int)numericUpDown1.Value;

        if (mins > 0)

        {

            TimeSpan ts = TimeSpan.FromMinutes(mins);

            targetTime = DateTime.Now.Add(ts);

            totalSeconds = (int)ts.TotalSeconds;

            progressBar1.Value = 0;

            button1.Enabled = false;

            timer1.Interval = 1000;

            timer1.Start();

        }

    }



    private void timer1_Tick(object sender, EventArgs e)

    {

        TimeSpan ts = targetTime.Subtract(DateTime.Now);

        if (ts.TotalMilliseconds > 0)

        {

            label1.Text = "-" + ts.ToString(@"mm:ss");

            double percent = ((double)totalSeconds - ts.TotalSeconds) / (double)totalSeconds;

            progressBar1.Value = (int)(progressBar1.Maximum * percent);

        }

        else

        {

            timer1.Stop();

            button1.Enabled = true;

            progressBar1.Value = progressBar1.Maximum;



            // ... do something here! ...



        }

    }

answered Nov 20 at 18:05

Idle_Mind

22.3k21424

add a comment |

-1

Try something like...

    private int totalSeconds;

    private DateTime targetTime;



    private void button1_Click(object sender, EventArgs e)

    {

        int mins = (int)numericUpDown1.Value;

        if (mins > 0)

        {

            TimeSpan ts = TimeSpan.FromMinutes(mins);

            targetTime = DateTime.Now.Add(ts);

            totalSeconds = (int)ts.TotalSeconds;

            progressBar1.Value = 0;

            button1.Enabled = false;

            timer1.Interval = 1000;

            timer1.Start();

        }

    }



    private void timer1_Tick(object sender, EventArgs e)

    {

        TimeSpan ts = targetTime.Subtract(DateTime.Now);

        if (ts.TotalMilliseconds > 0)

        {

            label1.Text = "-" + ts.ToString(@"mm:ss");

            double percent = ((double)totalSeconds - ts.TotalSeconds) / (double)totalSeconds;

            progressBar1.Value = (int)(progressBar1.Maximum * percent);

        }

        else

        {

            timer1.Stop();

            button1.Enabled = true;

            progressBar1.Value = progressBar1.Maximum;



            // ... do something here! ...



        }

    }

answered Nov 20 at 18:05

Idle_Mind

22.3k21424

Try something like...

    private int totalSeconds;

    private DateTime targetTime;



    private void button1_Click(object sender, EventArgs e)

    {

        int mins = (int)numericUpDown1.Value;

        if (mins > 0)

        {

            TimeSpan ts = TimeSpan.FromMinutes(mins);

            targetTime = DateTime.Now.Add(ts);

            totalSeconds = (int)ts.TotalSeconds;

            progressBar1.Value = 0;

            button1.Enabled = false;

            timer1.Interval = 1000;

            timer1.Start();

        }

    }



    private void timer1_Tick(object sender, EventArgs e)

    {

        TimeSpan ts = targetTime.Subtract(DateTime.Now);

        if (ts.TotalMilliseconds > 0)

        {

            label1.Text = "-" + ts.ToString(@"mm:ss");

            double percent = ((double)totalSeconds - ts.TotalSeconds) / (double)totalSeconds;

            progressBar1.Value = (int)(progressBar1.Maximum * percent);

        }

        else

        {

            timer1.Stop();

            button1.Enabled = true;

            progressBar1.Value = progressBar1.Maximum;



            // ... do something here! ...



        }

    }

answered Nov 20 at 18:05

Idle_Mind

22.3k21424

answered Nov 20 at 18:05

Idle_Mind

22.3k21424

answered Nov 20 at 18:05

Idle_Mind

22.3k21424

answered Nov 20 at 18:05

Idle_Mind

22.3k21424

add a comment |

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