C#

public event EventHandler<ProgressChangedEventArgs> ProgressChanged;

child.ProgressChanged += Child_ProgressChanged;

void Child_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
 // put your code here
}

if(ProgressChanged != null)
   ProgressChanged(this, new ProgressChangedEventArgs(progressPercentage, null));

<br />
         for (i = 0; i <= dsdata.Tables[0].Rows.Count - 1; i++)<br />
              {<br />
             for (j = 0; j <= dsdata.Tables[0].Columns.Count - 1; j++)<br />
                   {<br />
               data = dsdata.Tables[0].Rows[i].ItemArray[j].ToString();<br />
              //DataGridViewCell dtgcell = dtgView[j, i];<br />
               excelWorksheet.Cells[i+1, j+1] = data;<br />
                            }<br />
                        }<br />

//Inside Method
System.Diagnostics.Debug.WriteLine("Rx start -" + DateTime.Now.ToString("hh:mm:ss:fff"));
//..code

System.Diagnostics.Debug.WriteLine("Rx End - " + DateTime.Now.ToString("hh:mm:ss:fff"));

Calla wrote:

each and every object instance of A locks, using the same Object called lockMsgRecv.

private void MessageRecvd(string Msg)
{
    lock(lockMsgRecv )
    {
       //.....code
    }
}

class LockObject
{
    private Object MyLock = new Object();

    void WriteMessage(string msg)
    {
         lock(MyLock)
         {
            ...
         }
    }
      
    public void Dowrite()
    {
        while(true)
        {
              WriteMessage("Whatever");
        }
    }
}
</code>



<code>class Test
{
    static void Main()
    {
        Thread[] threads = new Thread[10];
        LockObj = new LockObject();
        for (int i = 0; i < 10; i++)
        {
            Thread t = new Thread(new ThreadStart(LockObj.DoWrite));
            threads[i] = t;
        }
        for (int i = 0; i < 10; i++)
        {
            threads[i].Start();
        }
    }
}