---
title: "IFormatReader..::.IsFrameSeekable Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatReader_IsFrameSeekable.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/)

# IFormatReader.IsFrameSeekable Property 
 
Check whether the reader supports random access to frames.
 
**Namespace:** [Aurigma.GraphicsMill.Codecs](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Codecs.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```
ReadOnly Property IsFrameSeekable As Boolean
```
 
```csharp
                bool IsFrameSeekable { get; }
```
 
### Property Value
 **true** if the file contains a seek index, and **false** otherwise.
 
## Remarks
  
Some multi-frame file formats does not allow random access. To get a frame from a file of this format, you should get all previous frames.
   
## See Also

### Reference

- [IFormatReader Interface](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_IFormatReader.htm.md)
- [Aurigma.GraphicsMill.Codecs Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Codecs.htm.md)

### Manual

- [Reading Video Files Frame by Frame](https://www.graphicsmill.com/docs/gm5/ReadingVideoFrameByFrame.htm.md)