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## 主要改进 - 实现 /api/status/model 接口，返回真实PDMS模型状态信息 - 使用MDB.CurrentMDB、Project.CurrentProject等AVEVA API获取真实数据 - 移除硬编码的CurrentSession、PositionInfo、PdmsSpecific等复杂结构 - 简化数据模型，只保留核心的真实数据字段 ## 技术实现 - 通过DbSession获取真实的用户名、会话开始时间和持续时间 - 通过WorldMembers()获取真实的模型元素统计 - 修复DateTime类型的null合并运算符编译错误 - 清理不使用的方法和类定义 ## API返回数据 现在返回的数据主要包含真实的PDMS信息： - ModelLoaded: MDB连接状态检查 - ProjectName: 真实的设计数据库名称 - MdsName: 真实的MDB名称 - UserName: 真实的数据库会话用户 - StartTime: 真实的会话创建时间 - TotalElements: 真实的模型元素数量统计 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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61 lines
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<title>Command Methods</title>
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<td class="runninghead">Common Application Framework</td>
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<h1 class="dtH1">Command Methods</h1>
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<p>The methods of the <b>Command</b> class are listed below. For a complete list of <b>Command</b> class members, see the <a href="Aveva.ApplicationFramework.Presentation.CommandMembers.html">Command Members</a> topic.</p>
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<h4 class="dtH4">Public Instance Methods</h4>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.ApplicationFramework.Presentation.Command.AttachExecutor.html">AttachExecutor</a></td><td width="50%"> Attaches a CommandExecutor derived class to the command </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.ApplicationFramework.Presentation.Command.CancelableExecute.html">CancelableExecute</a></td><td width="50%"> Version of Execute which can be cancelled by an BeforeCommandExecute event handler </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.ApplicationFramework.Presentation.Command.DetachAllExecutors.html">DetachAllExecutors</a></td><td width="50%"> Detach all CommandExecutor derived classes from the command </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.ApplicationFramework.Presentation.Command.DetachExecutor.html">DetachExecutor</a></td><td width="50%"> Detach a CommandExecutor derived class from the command </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemObjectClassEqualsTopic.htm">Equals</a> (inherited from <b>Object</b>)</td><td width="50%">
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Determines whether the specified <a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemObjectClassTopic.htm">Object</a> is equal to the current <b>Object</b>.
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.ApplicationFramework.Presentation.Command.Execute.html">Execute</a></td><td width="50%"> The command Execute method is normally overridden by a derived class </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemObjectClassGetHashCodeTopic.htm">GetHashCode</a> (inherited from <b>Object</b>)</td><td width="50%">
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Serves as a hash function for a particular type, suitable for use in hashing algorithms and data structures like a hash table.
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.ApplicationFramework.Presentation.Command.GetState.html">GetState</a></td><td width="50%"> Gets the current state of the command </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemObjectClassGetTypeTopic.htm">GetType</a> (inherited from <b>Object</b>)</td><td width="50%">
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Gets the <a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemTypeClassTopic.htm">Type</a> of the current instance.
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.ApplicationFramework.Presentation.Command.Refresh_overloads.html">Refresh</a></td><td width="50%">Overloaded. Call to allow the command to update its visilility or enabled state following a change to the application context. </td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="Aveva.ApplicationFramework.Presentation.Command.SetProperty.html">SetProperty</a></td><td width="50%">
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</td></tr>
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<tr VALIGN="top"><td width="50%"><img src="pubmethod.gif"></img><a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemObjectClassToStringTopic.htm">ToString</a> (inherited from <b>Object</b>)</td><td width="50%">
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Returns a <a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemStringClassTopic.htm">String</a> that represents the current <a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemObjectClassTopic.htm">Object</a>.
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<h4 class="dtH4">See Also</h4>
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<p>
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<a href="Aveva.ApplicationFramework.Presentation.Command.html">Command Class</a> | <a href="Aveva.ApplicationFramework.Presentation.html">Aveva.ApplicationFramework.Presentation Namespace</a></p>
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<div id="footer">©AVEVA Solutions Ltd 2007</div>
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