Ejemplo n.º 1
0
        void asyncConnectHandler(IAsyncResult ar)
        {
            if (InvokeRequired)
            {
                BeginInvoke(new AsyncCallback(asyncConnectHandler), new object[] { ar });
                return;
            }
            PLC p = (PLC)ar.AsyncState;

            try
            {
                p.EndConnect(ar);
                connectStatusL.Text = "Connected asynchronously!";
            }
            catch (InvalidCredentialException exc)
            {
                connectStatusL.Text = "Invalid password";
            }
            catch (Exception exc)
            {
                connectStatusL.Text = "Error: " + exc.Message;
            }
        }