# SignatureImage.FilterIndex Property

> Gets or sets the format of the image. This is the number of the filter in the string returned through the ImageCollection.ImportFilters property, beginning with number one. If the ImageCollection.ImportFilters property is used to initialize the FileDialog.Filter property of a Framework dialog, the FileDialog.FilterIndex property can be used as value for this property.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Property
- **Introduced:** 31.0
- **Namespace:** `TXTextControl`
- **Package:** `TXTextControl.TextControl.Core.SDK` (assembly `TXTextControl.Core.dll`, from the private NuGet feed or Text Control Offline Packages)
- **Package:** `TXTextControl.TextControl.ASP.SDK` (assembly `TXTextControl.dll`, from the private NuGet feed or Text Control Offline Packages)
- **.NET Framework:** reference `TXTextControl.dll` from the setup
- **Path:** TX Text Control .NET Server > Reference > TXTextControl > SignatureImage.FilterIndex Property
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/signatureimage/filterindex-property/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/signatureimage/filterindex-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/signatureimage/filterindex-property/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/signatureimage/filterindex-property/#description)
- [Syntax](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/signatureimage/filterindex-property/#syntax)
- [Members](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/signatureimage/filterindex-property/#members)
- [Examples](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/signatureimage/filterindex-property/#examples)

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## Nearby

- **Previous:** [SignatureImage.FileName Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/signatureimage/filename-property/llms.txt)
- **Next:** [SignatureImage.SaveMode Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/signatureimage/savemode-property/llms.txt)