---
title: "ImageReader.IsRawFormat Method (Stream)"
canonical: https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_ImageReader_IsRawFormat_1_bca7c9fe.htm
product: "Graphics Mill"
---

# ImageReader.IsRawFormat Method (Stream)
 
Determines whether the specified stream contains an image in RAW format.
 
**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 static bool IsRawFormat(Stream stream
)
```
 
### Parameters
 
 - stream
     - Type: System.IO.Stream
The stream to check.
 
### Return Value
true if the stream contains an image in RAW format; otherwise, false.
   
## See Also

### Reference

- [ImageReader Class](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_ImageReader.htm.md)
- [IsRawFormat Overload](https://www.graphicsmill.com/docs/gm/O_T_Aurigma_GraphicsMill_Codecs_ImageReader_IsRawFormat.htm.md)
- [Aurigma.GraphicsMill.Codecs Namespace](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill_Codecs.htm.md)