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 # Class ChangeRefData

 Last update: 16.07.2025 

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

This class is to represent the changed reference data.

```csharp
public class ChangeRefData

```

#### Inheritance

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

#### 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

### ChangeRefData()

```csharp
public ChangeRefData()

```

## Properties

### NewLink

Gets or sets the new event core.

```csharp
public ObjectEventCore NewLink { get; set; }

```

#### Property Value

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

### OldLink

Gets or sets the old event core.

```csharp
public ObjectEventCore OldLink { get; set; }

```

#### Property Value

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