---
title: "AviAlphaTransition Class"
canonical: https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_AviAlphaTransition.htm
product: "Graphics Mill 5.5 for .NET"
---

This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)

# AviAlphaTransition Class
 
This class represents the fade transition effect based on reducing of alpha channel of the frame.
 
**Namespace:** [Aurigma.GraphicsMill.Codecs](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Codecs.htm.md)
 **Assembly:** Aurigma.GraphicsMill.Codecs.AviProcessor (in Aurigma.GraphicsMill.Codecs.AviProcessor.dll)
 
## Syntax
  
```
Public NotInheritable Class AviAlphaTransition _Inherits AviTransition
```
 
```csharp
public sealed class AviAlphaTransition : AviTransition
```
 
## Remarks
  
This transition should be assigned to the [Transition](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_AviFrame_Transition.htm.md) property of the [AviFrame](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_AviFrame.htm.md) you want to apply the transition effect for. The length of the transition is specified by the [AviFrame.IntermediateFrameCount](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_AviFrame_IntermediateFrameCount.htm.md) property.
 
## Inheritance Hierarchy
  
- [System.Object](http://msdn2.microsoft.com/en-us/e5kfa45b)
    - [Aurigma.GraphicsMill.LockableObject](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_LockableObject.htm.md)
        - [Aurigma.GraphicsMill.Codecs.AviTransition](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_AviTransition.htm.md)
            - Aurigma.GraphicsMill.Codecs.AviAlphaTransition
 
## Thread Safety
 Static members of this type are safe for multi-threaded operations. Instance members of this type are safe for multi-threaded operations.
   
## See Also

### Reference

- [AviAlphaTransition Members](https://www.graphicsmill.com/docs/gm5/AllMembers_T_Aurigma_GraphicsMill_Codecs_AviAlphaTransition.htm.md)
- [Aurigma.GraphicsMill.Codecs Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Codecs.htm.md)