Process Operations (Monitoring)
private void timer_ProcessCheck_Tick(object sender, EventArgs e)
    {
        Process[] tmpArray = Wow_getCurrentlyRunning(); // this returns Process[]
        if (comboBox_processes.Items.Count == 0)
        {
            if (tmpArray.Count() > 0)
                for (int Index = 0; Index < tmpArray.Count(); Index++)
                    Add(tmpArray[Index]); // adding to combobox
        }
        else
        {
            if (tmpArray.Count() > comboBox_processes.Items.Count)
            {
                List<Process> result;
        /*Diff compares the two array, and returns to result variable.*/
                if (Diff(tmpArray, comboBox_processes, out result))
                    foreach(Process proc in result)
                        Add(proc); // adding to combobox
            }
        }
    }

public bool Wow_differsFrom(Process[] current, ComboBox local, out List<Process> diff)
    {
        List<int> diffIndex = new List<int>();

        foreach (Process proc in current)
            diffIndex.Add(proc.Id);

        for (byte Índex = 0; Índex < current.Count(); Índex++)
        {
            for (byte Index = 0; Index < local.Items.Count; Index++)
            {
                if (current[Índex].Id == (local.Items[Index] as Process).Id)
                {
                    diffIndex.Remove(current[Índex].Id);
                    break;
                }
            }
        }

        diff = new List<Process>();

        for (int x = 0; x < current.Count(); x++)
            for (int i = 0; i < diffIndex.Count; i++)
                if (current[x].Id == diffIndex[i])
                    diff.Add(current[x]);

        if (diff.Count == 0)
            return false;
        return true;
    }

private void Wow_exitedEvent(object o, EventArgs e)
    {
        RemoveCBItem(comboBox_processes, (o as Process).Id); // this will remove the process from combobox, also threadsafe.
    }

//Somewhere in Form_Load
combobox.DisplayMember = "Name";//name of the property in your MyProcessInfo class
combobox.ValueMember = "Id";//name of the property in your MyProcessInfo class

//In your timer.Tick handler
combobox.DataSource = Wow_getCurrentlyRunning().Select(p=>new MyProcessInfo(p.Id, p.Name)).ToList();