private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                rdp.Server = txtServer.Text;
                rdp.UserName = txtUserName.Text;
                IMsTscNonScriptable secured = (IMsTscNonScriptable)rdp.GetOcx();
                secured.ClearTextPassword = txtPassword.Text;
                rdp.Connect();
            }
            catch (Exception Ex)
            {
                MessageBox.Show("Error connecting to remote desktop " + txtServer.Text + " Error:  " + Ex.Message,"Error Connecting",MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                // Check if connected before disconnecting
                if (rdp.Connected.ToString() == "1")
                    rdp.Disconnect();
            }
            catch (Exception Ex)
            {
                //MessageBox.Show("Error Disconnecting", "Error disconnecting from remote desktop " + txtServer.Text + " Error:  " + Ex.Message, MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }