private void button1_Click(object sender, EventArgs e)
        {
            frmStart l = frmStart.getInstance();

            l.Show();
            this.Hide();
        }
 public static frmStart getInstance()
 {
     if (l == null)
     {
         l = new frmStart();
         l.Show();
         return(l);
     }
     else
     {
         return(l);
     }
 }
        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            frmStart l = frmStart.getInstance();

            l.Show();
            this.Hide();
            //foreach (Task t in TaskDL.tsk)
            //{
            //    if (t.Task_Done == true)
            //    {
            //        t.Task_Done = false;
            //    }
            //}
        }