using?System;
using?System.Collections;
using?System.Security.Cryptography.X509Certificates;

using?Opc.Ua;
using?Opc.Ua.Client;
using?Siemens.OpcUA.Helper;

namespace?Siemens.OpcUA
{
????///?

????///?Event?handler?for?the?event?that?the?client?received?a?value?change.
????///?

????public?delegate?void?valueChanged（object?clientHandle?DataValue?value）;

????///?

????///?Event?handler?for?the?event?that?the?client?received?a?untrusted?server?certificate.
????///?

????public?delegate?void?certificateValidation（CertificateValidator?validator?CertificateValidationEventArgs?e）;

????///?

????///?This?class?encapsulates?a?connection?to?an?OPC?UA?server?and?access?to?particular?Services?of?it.
????///?

????public?class?Server
????{
????????#region?Construction
????????public?Server（）
????????{?}
????????#endregion

????????#region?Fields
????????///?
?
????????///?Keeps?a?session?with?an?UA?server.?
????????///?

????????private?Session?m_Session?=?null;

????????///?
?
????????///?Interface?which?encapsulates?the?use?of?the?browse?service?of?an?UA?server.?
????????///?

????????private?Browser?m_Browser?=?null;

????????///?
?
????????///?Keeps?a?hash?table?for?attribute?names.?
????????///?

????????private?Hashtable?m_hashAttributeNames?=?null;
????????#endregion
????????????????
????????#region?Properties
????????///?

????????///?Use?the?certificateValidation?delegate?as?event.
????????///?

????????public?event?certificateValidation?CertificateEvent?=?null;

????????///?

????????///?Provides?the?session?being?established?with?an?OPC?UA?server.
????????///?

????????public?Session?Session
????????{
????????????get?{?return?m_Session;?}
????????}
????????#endregion
?????????????
????????#region?Connect
????????///?
Establishes?the?connection?to?an?OPC?UA?server.

????????///?The?Url?of?the?endpoint.
????????///?Result?code.
????????///?Throws?and?forwards?any?exception?with?short?error?description.
????????public?void?Connect（string?Url）
????????{
????????????try
????????????{
????????????????//?Create?the?configuration.?????
????????????????ApplicationConfiguration?configuration?=?Helpers.CreateClientConfiguration（）;

????????????????//?Create?the?endpoint?description.
????????????????EndpointDescription?endpointDescription?=?Helpers.CreateEndpointDescription（Url）;

????????????????//?Create?the?endpoint?configuration?（use?the?application?configuration?to?provide?default?values）.
????????????????EndpointConfiguration?endpointConfiguration?=?EndpointConfiguration.Create（configuration）;

????????????????//?The?default?timeout?for?a?requests?sent?using?the?channel.
????????????????endpointConfiguration.OperationTimeout?=?300000;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-01-16?11:24??OPC_UA_Client_Core\
?????目錄???????????0??2018-01-16?11:24??OPC_UA_Client_Core\bin\
?????文件???????90112??2009-07-03?14:39??OPC_UA_Client_Core\bin\Opc.Ua.Client.dll
?????文件?????2589184??2009-07-03?14:39??OPC_UA_Client_Core\bin\Opc.Ua.Core.dll
?????文件???????55296??2010-04-30?11:12??OPC_UA_Client_Core\bin\Siemens.OpcUA.Client.exe
?????文件???????18944??2010-04-30?11:12??OPC_UA_Client_Core\bin\Siemens.OpcUA.dll
?????文件???????22528??2010-04-30?11:12??OPC_UA_Client_Core\bin\Siemens.OpcUA.SimpleClient.exe
?????目錄???????????0??2018-01-16?11:24??OPC_UA_Client_Core\src\
?????目錄???????????0??2018-01-16?11:24??OPC_UA_Client_Core\src\.vs\
?????目錄???????????0??2018-01-16?11:24??OPC_UA_Client_Core\src\.vs\UaClient\
?????目錄???????????0??2018-01-16?11:33??OPC_UA_Client_Core\src\.vs\UaClient\v14\
?????文件???????23552??2018-01-16?11:33??OPC_UA_Client_Core\src\.vs\UaClient\v14\.suo
?????目錄???????????0??2018-01-16?11:24??OPC_UA_Client_Core\src\Backup\
?????目錄???????????0??2018-01-16?11:24??OPC_UA_Client_Core\src\Backup\ClientAPI\
?????文件???????40444??2010-04-30?11:03??OPC_UA_Client_Core\src\Backup\ClientAPI\ClientAPI.cs
?????文件????????3087??2010-02-16?09:40??OPC_UA_Client_Core\src\Backup\ClientAPI\ClientAPI.csproj
?????文件????????1727??2010-04-30?11:03??OPC_UA_Client_Core\src\Backup\ClientAPI\ClientDiscovery.cs
?????文件????????4351??2010-04-30?11:03??OPC_UA_Client_Core\src\Backup\ClientAPI\ClientSubscription.cs
?????目錄???????????0??2018-01-16?11:24??OPC_UA_Client_Core\src\Backup\ClientAPI\Properties\
?????文件?????????841??2010-04-30?10:56??OPC_UA_Client_Core\src\Backup\ClientAPI\Properties\AssemblyInfo.cs
?????文件????????8472??2009-12-14?10:49??OPC_UA_Client_Core\src\Backup\ClientAPI\Properties\Helpers.cs
?????目錄???????????0??2018-01-16?11:24??OPC_UA_Client_Core\src\Backup\SimpleClient\
?????文件???????21097??2010-02-28?23:51??OPC_UA_Client_Core\src\Backup\SimpleClient\MainForm.cs
?????文件???????23609??2010-02-28?23:51??OPC_UA_Client_Core\src\Backup\SimpleClient\MainForm.Designer.cs
?????文件????????5814??2010-02-28?23:51??OPC_UA_Client_Core\src\Backup\SimpleClient\MainForm.resx
?????文件?????????521??2010-02-08?15:27??OPC_UA_Client_Core\src\Backup\SimpleClient\Program.cs
?????目錄???????????0??2018-01-16?11:24??OPC_UA_Client_Core\src\Backup\SimpleClient\Properties\
?????文件????????1482??2010-04-30?10:56??OPC_UA_Client_Core\src\Backup\SimpleClient\Properties\AssemblyInfo.cs
?????文件????????2879??2010-02-08?15:27??OPC_UA_Client_Core\src\Backup\SimpleClient\Properties\Resources.Designer.cs
?????文件????????5612??2010-02-08?11:40??OPC_UA_Client_Core\src\Backup\SimpleClient\Properties\Resources.resx
?????文件????????1107??2010-02-08?15:27??OPC_UA_Client_Core\src\Backup\SimpleClient\Properties\Settings.Designer.cs
............此處省略142個文件信息