---
title: "TiffExtraChannelCollection Methods "
canonical: https://www.graphicsmill.com/docs/gm5/Methods_T_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection.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/)

# TiffExtraChannelCollection Methods 
 
The [TiffExtraChannelCollection](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection.htm.md) type exposes the following members.
 
## Methods

|   |  Name |  Description |
| --- | --- | --- |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [Add](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection_Add_1_3cf9a70f.htm.md) |  Adds an extra channel to the collection. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [Clear](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection_Clear.htm.md) |  Removes all extra channels from the collection. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [Contains](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection_Contains_1_3cf9a70f.htm.md) |  Determines whether an extra channel is in the collection. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [Equals](http://msdn2.microsoft.com/en-us/bsc2ak47) |  (Inherited from [Object](http://msdn2.microsoft.com/en-us/e5kfa45b).) |
 |  ![Protected method](https://www.graphicsmill.com/docs/gm5/icons/protmethod.gif) |  [Finalize](http://msdn2.microsoft.com/en-us/4k87zsw7) |  (Inherited from [Object](http://msdn2.microsoft.com/en-us/e5kfa45b).) |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [GetEnumerator](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection_GetEnumerator.htm.md) |  Returns an enumerator for the extra channels allowing the collection to be used in **foreach** blocks. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [GetHashCode](http://msdn2.microsoft.com/en-us/zdee4b3y) |  (Inherited from [Object](http://msdn2.microsoft.com/en-us/e5kfa45b).) |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [GetType](http://msdn2.microsoft.com/en-us/dfwy45w9) |  (Inherited from [Object](http://msdn2.microsoft.com/en-us/e5kfa45b).) |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [IndexOf](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection_IndexOf_1_3cf9a70f.htm.md) |  Searches for the specified extra channel and returns the zero-based index of the first occurrence within the entire collection. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [Insert](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection_Insert_2_6086f59e.htm.md) |  Inserts an extra channel into the collection at the specified index. |
 |  ![Protected method](https://www.graphicsmill.com/docs/gm5/icons/protmethod.gif) |  [MemberwiseClone](http://msdn2.microsoft.com/en-us/57ctke0a) |  (Inherited from [Object](http://msdn2.microsoft.com/en-us/e5kfa45b).) |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [Remove](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection_Remove_1_3cf9a70f.htm.md) |  Removes the first occurrence of a specific extra channel from the collection. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [RemoveAt](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection_RemoveAt_1_e1836fc4.htm.md) |  Removes the extra channel at the specified index of the collection. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [ToString](http://msdn2.microsoft.com/en-us/7bxwbwt2) |  (Inherited from [Object](http://msdn2.microsoft.com/en-us/e5kfa45b).) |
   
## See Also

### Reference

- [TiffExtraChannelCollection Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_TiffExtraChannelCollection.htm.md)
- [Aurigma.GraphicsMill.Codecs Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Codecs.htm.md)