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 # Class ObjectBaseVisibleEvent

 Last update: 16.07.2025 

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

```csharp
public class ObjectBaseVisibleEvent : HistoryEvent

```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← HistoryEvent ← [ObjectBaseVisibleEvent](VM.Managed.History.ObjectBaseVisibleEvent.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&lt;T&gt;(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_)

## Constructors

### ObjectBaseVisibleEvent(object)

```csharp
public ObjectBaseVisibleEvent(object obOriginal)

```

#### Parameters

`obOriginal` [object](https://learn.microsoft.com/dotnet/api/system.object)

## Methods

### AfterRedo(HistoryEventArgs)

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

```

#### Parameters

`args` HistoryEventArgs

### AfterUndo(HistoryEventArgs)

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

```

#### Parameters

`args` HistoryEventArgs

### Clear(bool)

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

```

#### Parameters

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

### GetLayer()

```csharp
protected virtual Layer GetLayer()

```

#### Returns

[Layer](VM.Managed.Layer.md)

### Redo(HistoryEventArgs)

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

```

#### Parameters

`args` HistoryEventArgs

### ReplaceLayer(Layer)

```csharp
protected virtual void ReplaceLayer(Layer layer)

```

#### Parameters

`layer` [Layer](VM.Managed.Layer.md)

### Undo(HistoryEventArgs)

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

```

#### Parameters

`args` HistoryEventArgs