Report background worker

public partial class Form1 : Form
{
    private BackgroundWorker backgroundWorker1;
    private testClass t1 = new testClass();

    public Form1()
    {
        InitializeComponent();

        // subscribe to your event
        t1.OnProgressUpdate += t1_OnProgressUpdate;
    }

    private void t1_OnProgressUpdate(int value)
    {
        // Its another thread so invoke back to UI thread
        base.Invoke((Action)delegate
        {
            label1.Text += Convert.ToString(value);
        });
    }

    private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
    {
        t1.changevalue(1000);
    }

    private void button1_Click_1(object sender, EventArgs e)
    {
        backgroundWorker1.RunWorkerAsync();
    }

}

class testClass
{
    public delegate void ProgressUpdate(int value);
    public event ProgressUpdate OnProgressUpdate;

    private int val;
    public int changevalue(int i)
    {
        for (int j = 0; j < 1000; j++)
        {
            val += i + j;

            // Fire the event
            if (OnProgressUpdate != null)
            {
                OnProgressUpdate(i);
            }
        }
        return val;
    }
}

Source: stackoverflow.com

Similar codes

0 vote56 views1 answer
Cs get last item from list
C#
0 vote47 views1 answer
C# user name session
C#
2 votes55 views2 answers
Get device connected to player input unity
C#Unity
1 vote61 views1 answer
For loop string in c#
C#
6 votes61 views1 answer
Get current directory c# \
C#
0 vote53 views1 answer
How to make dissapear an object in unity
C#
0 vote58 views1 answer
How to download somthing from one drive unity
C#Unity
7 votes51 views4 answers
Open folder dialog c#
C#
0 vote50 views2 answers
Linq top selling products
C#
14 votes54 views1 answer
Unity set position
C#