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 # Class DocumentCategoryRemoveEvent

 Last update: 09.03.2026 

<a id="VM_Managed_History_DocumentCategoryRemoveEvent"></a>

Namespace: [VM.Managed.History](VM.Managed.History.md)  
Assembly: VMAppCore.dll

```csharp
public class DocumentCategoryRemoveEvent : DocumentCategoryAddRemoveEventBase

```

#### Inheritance

object ← [HistoryEvent](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs) ← [DocumentCategoryAddRemoveEventBase](VM.Managed.History.DocumentCategoryAddRemoveEventBase.md) ← [DocumentCategoryRemoveEvent](VM.Managed.History.DocumentCategoryRemoveEvent.md)

#### Inherited Members

[DocumentCategoryAddRemoveEventBase.m\_doc](VM.Managed.History.DocumentCategoryAddRemoveEventBase.md#VM_Managed_History_DocumentCategoryAddRemoveEventBase_m_doc), [DocumentCategoryAddRemoveEventBase.m\_objKey](VM.Managed.History.DocumentCategoryAddRemoveEventBase.md#VM_Managed_History_DocumentCategoryAddRemoveEventBase_m_objKey), [DocumentCategoryAddRemoveEventBase.m\_objAfterKey](VM.Managed.History.DocumentCategoryAddRemoveEventBase.md#VM_Managed_History_DocumentCategoryAddRemoveEventBase_m_objAfterKey), [DocumentCategoryAddRemoveEventBase.m\_category](VM.Managed.History.DocumentCategoryAddRemoveEventBase.md#VM_Managed_History_DocumentCategoryAddRemoveEventBase_m_category), [DocumentCategoryAddRemoveEventBase.Clear(bool)](VM.Managed.History.DocumentCategoryAddRemoveEventBase.md#VM_Managed_History_DocumentCategoryAddRemoveEventBase_Clear_System_Boolean_), [DocumentCategoryAddRemoveEventBase.GetObjectFromKey(UIntPtr)](VM.Managed.History.DocumentCategoryAddRemoveEventBase.md#VM_Managed_History_DocumentCategoryAddRemoveEventBase_GetObjectFromKey_System_UIntPtr_), [DocumentCategoryAddRemoveEventBase.IsAvailableEvent(IDocument)](VM.Managed.History.DocumentCategoryAddRemoveEventBase.md#VM_Managed_History_DocumentCategoryAddRemoveEventBase_IsAvailableEvent_VM_Models_Pre_IDocument_), [DocumentCategoryAddRemoveEventBase.AddEventCore(IDocument, HistoryEvent)](VM.Managed.History.DocumentCategoryAddRemoveEventBase.md#VM_Managed_History_DocumentCategoryAddRemoveEventBase_AddEventCore_VM_Models_Pre_IDocument_VM_Managed_History_HistoryEvent_), [HistoryEvent.ClearEvent(bool)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs), [HistoryEvent.Undo(HistoryEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs), [HistoryEvent.Redo(HistoryEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs), [HistoryEvent.Clear(bool)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs), [HistoryEvent.BeforeUndo(HistoryEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs), [HistoryEvent.AfterUndo(HistoryEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs), [HistoryEvent.BeforeRedo(HistoryEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs), [HistoryEvent.AfterRedo(HistoryEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs), [HistoryEvent.BeforeAdded(AddToHistoryManagerEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs), [HistoryEvent.AfterAdded(HistoryEventArgs)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs), [HistoryEvent.IsValid](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEvent.cs)

#### Extension Methods

[LinkPropertyItemCache.GetLinkProperties(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkProperties_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkPropertiesAndValues(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkPropertiesAndValues_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkedObjects&lt;T&gt;(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_)

## Methods

### <a id="VM_Managed_History_DocumentCategoryRemoveEvent_Redo_VM_Managed_History_HistoryEventArgs_"></a> Redo(HistoryEventArgs)

```csharp
public override void Redo(HistoryEventArgs args)

```

#### Parameters

`args` [HistoryEventArgs](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEventArgs.cs)

### <a id="VM_Managed_History_DocumentCategoryRemoveEvent_Undo_VM_Managed_History_HistoryEventArgs_"></a> Undo(HistoryEventArgs)

```csharp
public override void Undo(HistoryEventArgs args)

```

#### Parameters

`args` [HistoryEventArgs](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/HistoryEventArgs.cs)