---
title: "CustomFormatReader..::.OpenReader Method "
canonical: https://www.graphicsmill.com/docs/gm5/O_T_Aurigma_GraphicsMill_Codecs_CustomFormatReader_OpenReader.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/)

# CustomFormatReader.OpenReader Method 
 
Opens the reader.
 
## Overload List

|   |  Name |  Description |
| --- | --- | --- |
 |  ![Protected method](https://www.graphicsmill.com/docs/gm5/icons/protmethod.gif) |  [OpenReader(Stream)](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Codecs_CustomFormatReader_OpenReader_1_bca7c9fe.htm.md) |  Opens the reader on the specified stream. |
 |  ![Protected method](https://www.graphicsmill.com/docs/gm5/icons/protmethod.gif) |  [OpenReader(String)](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_Codecs_CustomFormatReader_OpenReader_1_bb3a7a4f.htm.md) |  Opens the reader on the specifed file. |
   
## See Also

### Reference

- [CustomFormatReader Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_CustomFormatReader.htm.md)
- [CustomFormatReader Members](https://www.graphicsmill.com/docs/gm5/AllMembers_T_Aurigma_GraphicsMill_Codecs_CustomFormatReader.htm.md)
- [Aurigma.GraphicsMill.Codecs Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Codecs.htm.md)