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 # Class ContactFunction

 Last update: 16.07.2025 

Namespace: [VM.Managed.DAFUL.Contact](VM.Managed.DAFUL.Contact.md)  
Assembly: VMDCt.dll

This base class is to represent the contact charactoristic properties.

```csharp
public abstract class ContactFunction : LinkContainer, IObservableObject, IDisposableObject, ILinkable, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, ILinkContainerEvent, IVerifiable

```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← ObservableObject ← LinkableBase ← LinkContainer ← [ContactFunction](VM.Managed.DAFUL.Contact.ContactFunction.md)

#### Derived

[ContactStandard](VM.Managed.DAFUL.Contact.ContactStandard.md), [ContactUserSubroutine](VM.Managed.DAFUL.Contact.ContactUserSubroutine.md)

#### Implements

IObservableObject, IDisposableObject, ILinkable, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, ILinkContainerEvent, IVerifiable

#### Inherited Members

LinkContainer.SetModified(), LinkContainer.raise\_OnUpdating(object, LinkEventArgs), LinkContainer.raise\_OnUpdate(object, LinkEventArgs), LinkContainer.raise\_OnDestroying(object, LinkEventArgs), LinkContainer.raise\_OnDestroy(object, LinkEventArgs), LinkContainer.raise\_OnAdded(object, AddToDocEventArgs), LinkContainer.raise\_OnRemoved(object, RemoveFromDocEventArgs), LinkContainer.GetTargetListForUpdate(), LinkContainer.SkipUpdateObjectImpl(), LinkContainer.Initialize(Unit.ConvertFactor), LinkContainer.SetFlagWhenXMLFile(string, bool), LinkContainer.IsSerializableEvent(Delegate), LinkContainer.CustomGetObjectData(SerializationInfo, StreamingContext), LinkContainer.GetSerializedData(SerializationInfo, StreamingContext), LinkContainer.LinkRequestUpdating(object, LinkEventArgs), LinkContainer.LinkRequestUpdate(object, LinkEventArgs), LinkContainer.LinkRequestDestroying(object, LinkEventArgs), LinkContainer.LinkRequestDestroy(object, LinkEventArgs), LinkContainer.LinkAddedToDocument(object, AddToDocEventArgs), LinkContainer.LinkRemovedFromDocument(object, RemoveFromDocEventArgs), LinkContainer.OnLinkReserved(ILink, object, EventArgs), LinkContainer.CanBeDestroy(object), LinkContainer.DisposeManagedResources(), LinkContainer.SetContainer(IOwned, bool), LinkContainer.OnChildUpdated(object, LinkEventArgs), LinkContainer.OnContainerDestroy(object, LinkEventArgs), LinkContainer.OnDeserialization(object), LinkContainer.Verify(VerifiedResult), LinkContainer.GetCopy(object), LinkContainer.Dispose(bool), LinkContainer.ClearChildInfoBeforeDeserialize, LinkContainer.Container, LinkContainer.Owner, LinkContainer.Document, LinkContainer.ID, LinkContainer.IsChildExternable, LinkContainer.IsExternable, LinkContainer.OnRemoved, LinkContainer.OnAdded, LinkContainer.OnDestroy, LinkContainer.OnDestroying, LinkContainer.OnUpdate, LinkContainer.OnUpdating, LinkableBase.OnDeserialization(object), ObservableObject.Dispose(), ObservableObject.RaisePropertyChanged(string), ObservableObject.RaisePropertyChanged(string, object, object), ObservableObject.Dispose(bool), ObservableObject.DisposeManagedResources(), ObservableObject.DisposeUnmanagedResources(), ObservableObject.IsDisposed, ObservableObject.TryDisposing, ObservableObject.Disposed, ObservableObject.Disposing, ObservableObject.PropertyChanged

#### 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_)

## Remarks

The class represents contact charactoristic properties such as flag of 'FunctionType', buffer range factor, maxium step factor.

## Constructors

### ContactFunction()

Initializes a new instance of the  class.

```csharp
protected ContactFunction()

```

### ContactFunction(PropertyContact)

Initializes a new instance of the  class.

```csharp
protected ContactFunction(PropertyContact owner)

```

#### Parameters

`owner` [PropertyContact](VM.Managed.DAFUL.Contact.PropertyContact.md)

Owner contact property.

## Properties

### BufferRangeFactor

Gets or sets the buffer range factor.

```csharp
public ExpressionValueVariable BufferRangeFactor { get; set; }

```

#### Property Value

ExpressionValueVariable

### MaxStepFactor

Gets or sets the maximum step factor.

```csharp
public ExpressionValueVariable MaxStepFactor { get; set; }

```

#### Property Value

ExpressionValueVariable

### Type

Get function type of itself.

```csharp
public abstract ContactFunction.FunctionType Type { get; }

```

#### Property Value

[ContactFunction](VM.Managed.DAFUL.Contact.ContactFunction.md).[FunctionType](VM.Managed.DAFUL.Contact.ContactFunction.FunctionType.md)

## Methods

### Initialize(ConvertFactor)

Initializes member through unit convert factor.

```csharp
public override void Initialize(Unit.ConvertFactor factor)

```

#### Parameters

`factor` Unit.ConvertFactor

The unit convert factor.

### OnDeserialization(object)

Called when \[deserialization\].

```csharp
protected override void OnDeserialization(object sender)

```

#### Parameters

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

The sender.

### ReadTemplate(XmlReader)

Reads the template.

```csharp
public virtual void ReadTemplate(XmlReader reader)

```

#### Parameters

`reader` [XmlReader](https://learn.microsoft.com/dotnet/api/system.xml.xmlreader)

The reader.

### WriteTemplate(XmlWriter)

Writes the template.

```csharp
public virtual void WriteTemplate(XmlWriter writer)

```

#### Parameters

`writer` [XmlWriter](https://learn.microsoft.com/dotnet/api/system.xml.xmlwriter)

The writer.