# <a id="Aeon_Acquisition_PrependOnce"></a> Class PrependOnce

Namespace: [Aeon.Acquisition](Aeon.Acquisition.md)  
Assembly: Aeon.Acquisition.dll  

```csharp
[Combinator]
[WorkflowElementCategory(ElementCategory.Combinator)]
public class PrependOnce
```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← 
[PrependOnce](Aeon.Acquisition.PrependOnce.md)

#### Inherited Members

[object.ToString\(\)](https://learn.microsoft.com/dotnet/api/system.object.tostring), 
[object.Equals\(object\)](https://learn.microsoft.com/dotnet/api/system.object.equals\#system\-object\-equals\(system\-object\)), 
[object.Equals\(object, object\)](https://learn.microsoft.com/dotnet/api/system.object.equals\#system\-object\-equals\(system\-object\-system\-object\)), 
[object.ReferenceEquals\(object, object\)](https://learn.microsoft.com/dotnet/api/system.object.referenceequals), 
[object.GetHashCode\(\)](https://learn.microsoft.com/dotnet/api/system.object.gethashcode), 
[object.GetType\(\)](https://learn.microsoft.com/dotnet/api/system.object.gettype), 
[object.MemberwiseClone\(\)](https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone)

## Methods

### <a id="Aeon_Acquisition_PrependOnce_Process__1_System_IObservable___0__System_IObservable___0__"></a> Process<TSource\>\(IObservable<TSource\>, IObservable<TSource\>\)

```csharp
public IObservable<TSource> Process<TSource>(IObservable<TSource> source, IObservable<TSource> other)
```

#### Parameters

`source` [IObservable](https://learn.microsoft.com/dotnet/api/system.iobservable\-1)<TSource\>

`other` [IObservable](https://learn.microsoft.com/dotnet/api/system.iobservable\-1)<TSource\>

#### Returns

 [IObservable](https://learn.microsoft.com/dotnet/api/system.iobservable\-1)<TSource\>

#### Type Parameters

`TSource`