private void ConKeyPressed(object s, KeyPressEventArgs e)
 {
     if (COnKeyPressed != null)
     {
         COnKeyPressed.Invoke(s, e);
     }
 }
        public void ClearHandlers()
        {
            if (COnTextChanged != null)
            {
                foreach (Delegate d in COnTextChanged.GetInvocationList())
                {
                    COnTextChanged -= (OnTextChange)d;
                }
            }

            if (COnKeyPressed != null)
            {
                foreach (Delegate d in COnKeyPressed.GetInvocationList())
                {
                    COnKeyPressed -= (OnKeyPress)d;
                }
            }
        }