---
title: "IFormatReader Properties "
canonical: https://www.graphicsmill.com/docs/gm5/Properties_T_Aurigma_GraphicsMill_Codecs_IFormatReader.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 Properties
The [IFormatReader](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_IFormatReader.htm.md) type exposes the following members.
## Properties
| | Name | Description |
| --- | --- | --- |
|  | [CodecPriority](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatReader_CodecPriority.htm.md) | Returns the priority of the codec. |
|  | [DefaultExtension](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatInfo_DefaultExtension.htm.md) | Returns default extension for this format.
(Inherited from [IFormatInfo](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_IFormatInfo.htm.md).) |
|  | [FilterString](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatInfo_FilterString.htm.md) | Returns filter string for this format.
(Inherited from [IFormatInfo](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_IFormatInfo.htm.md).) |
|  | [FormatDescription](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatInfo_FormatDescription.htm.md) | Returns user-friendly format description.
(Inherited from [IFormatInfo](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_IFormatInfo.htm.md).) |
|  | [FormatName](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatInfo_FormatName.htm.md) | Returns format name.
(Inherited from [IFormatInfo](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_IFormatInfo.htm.md).) |
|  | [FrameCount](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatReader_FrameCount.htm.md) | Returns number of frames in the format reader. |
|  | [IsFrameSeekable](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatReader_IsFrameSeekable.htm.md) | Check whether the reader supports random access to frames. |
|  | [MediaFormat](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatReader_MediaFormat.htm.md) | Returns the ID of the media format this reader can read from. |
|  | [MimeType](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatInfo_MimeType.htm.md) | Returns mime type of the format.
(Inherited from [IFormatInfo](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_IFormatInfo.htm.md).) |
|  | [Opened](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_IFormatReader_Opened.htm.md) | Returns value that specifies if the reader is opened. |
## 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)