using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?Siemens.OpcUA;
using?Opc.Ua.Client;
using?Opc.Ua;

namespace?SiemensOpcUAClient
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????
????????}
????????#region?Fields
????????private?Server?m_Server?=?new?Server（）;
????????private?Siemens.OpcUA.Subscription?m_Subscipition;?//Subscription是西門子demo自己封裝的，實際上OPCUA標準里有一個Subscription類
????????private?Siemens.OpcUA.Subscription?m_SubscipitionBlock;
????????#endregion

???????///?

???????///?連接OPCUA?server
???????///?

???????///?