---
title: "ImageReader.IsRawFormat Method (String)"
canonical: https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_ImageReader_IsRawFormat_1_bb3a7a4f.htm
archived: false
applies_to:
  - product: "Graphics Mill"
    versions: ["12.1", "6.x-12.x (may differ)"]
    entity_id: "https://www.graphicsmill.com/#software-application"
---

# ImageReader.IsRawFormat Method (String)

**Applies to:** Graphics Mill 12.1, 6.x-12.x (may differ)
 
Determines whether the specified file path 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(string fileName
)
```
 
### Parameters
 
 - fileName
     - Type: System.String
 
### Return Value
true if the file 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)