---
title: "TiffExtraChannelEntry Constructor "
canonical: https://www.graphicsmill.com/docs/gm/C_Aurigma_GraphicsMill_Codecs_TiffExtraChannelEntry_ctor_2_c8f1fe48.htm
product: "Graphics Mill"
---

# TiffExtraChannelEntry Constructor 
 
Initializes a new instance of the [TiffExtraChannelEntry](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_TiffExtraChannelEntry.htm.md) class using the specified image and channel type.
 
**Namespace:** [Aurigma.GraphicsMill.Codecs](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill_Codecs.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```csharp
public TiffExtraChannelEntry(Pipeline source,TiffChannelType channelType
)
```
 
### Parameters
 
 - source
     - Type: [Aurigma.GraphicsMill.Pipeline](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Pipeline.htm.md)
A [Pipeline](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Pipeline.htm.md) producing image data for an extra channel. You can change it later through the [Image](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_TiffExtraChannelEntry_Image.htm.md) property.

 - channelType
     - Type: [Aurigma.GraphicsMill.Codecs.TiffChannelType](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_TiffChannelType.htm.md)
A [TiffChannelType](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_TiffChannelType.htm.md) of an extra channel. You can change it later through the [ChannelType](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_TiffExtraChannelEntry_ChannelType.htm.md) property.
   
## See Also

### Reference

- [TiffExtraChannelEntry Class](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_TiffExtraChannelEntry.htm.md)
- [Aurigma.GraphicsMill.Codecs Namespace](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill_Codecs.htm.md)