## On this page

  

 

 # Class InstanceContainerHistEventBase

 Last update: 16.07.2025 

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

```csharp
public class InstanceContainerHistEventBase : HistoryEvent

```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← HistoryEvent ← [InstanceContainerHistEventBase](VM.Managed.History.InstanceContainerHistEventBase.md)

#### Derived

[ClosedInstanceContainerHistEvent](VM.Managed.History.ClosedInstanceContainerHistEvent.md), [CreatedInstanceContainerHistEvent](VM.Managed.History.CreatedInstanceContainerHistEvent.md), [RemovedInstanceContainerHistEvent](VM.Managed.History.RemovedInstanceContainerHistEvent.md)

#### Inherited Members

HistoryEvent.ClearEvent(bool), HistoryEvent.Undo(HistoryEventArgs), HistoryEvent.Redo(HistoryEventArgs), HistoryEvent.Clear(bool), HistoryEvent.BeforeUndo(HistoryEventArgs), HistoryEvent.AfterUndo(HistoryEventArgs), HistoryEvent.BeforeRedo(HistoryEventArgs), HistoryEvent.AfterRedo(HistoryEventArgs), HistoryEvent.BeforeAdded(AddToHistoryManagerEventArgs), HistoryEvent.AfterAdded(HistoryEventArgs), HistoryEvent.IsValid

#### 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<T>(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_)

## Constructors

### InstanceContainerHistEventBase(string)

```csharp
public InstanceContainerHistEventBase(string strPathName)

```

#### Parameters

`strPathName` [string](https://learn.microsoft.com/dotnet/api/system.string)

### InstanceContainerHistEventBase()

```csharp
public InstanceContainerHistEventBase()

```

## Fields

### m\_strPathName

```csharp
protected string m_strPathName

```

#### Field Value

[string](https://learn.microsoft.com/dotnet/api/system.string)

## Methods

### AddEventCore(Document, InstanceContainerHistEventBase)

```csharp
public static void AddEventCore(Document doc, InstanceContainerHistEventBase eventHist)

```

#### Parameters

`doc` [Document](VM.Managed.Document.md)

`eventHist` [InstanceContainerHistEventBase](VM.Managed.History.InstanceContainerHistEventBase.md)

### AfterAdded(HistoryEventArgs)

```csharp
protected override void AfterAdded(HistoryEventArgs A_0)

```

#### Parameters

`A_0` HistoryEventArgs

### Clear(bool)

```csharp
protected override void Clear(bool bReserveReferenceCount)

```

#### Parameters

`bReserveReferenceCount` [bool](https://learn.microsoft.com/dotnet/api/system.boolean)

### IsAvailableEvent(Document)

```csharp
protected static bool IsAvailableEvent(Document doc)

```

#### Parameters

`doc` [Document](VM.Managed.Document.md)

#### Returns

[bool](https://learn.microsoft.com/dotnet/api/system.boolean)

### Redo(HistoryEventArgs)

```csharp
protected override void Redo(HistoryEventArgs A_0)

```

#### Parameters

`A_0` HistoryEventArgs

### Undo(HistoryEventArgs)

```csharp
protected override void Undo(HistoryEventArgs A_0)

```

#### Parameters

`A_0` HistoryEventArgs