# ChartFrame.ExportFilterIndex Property

> Gets or sets the format used, if a chart's image is exported. This is the number of the filter in the string returned through the ImageCollection.ExportFilters property, beginning with number one. A value of zero indicates that no export format has currently be specified for the chart. In this case the chart's image is saved in Windows Bitmap format. The technical article Loading and Saving Images lists the currently possible values for this property.

- **Product:** TX Text Control .NET for Windows Forms
- **Section:** Reference
- **Kind:** Property
- **Introduced:** 18.0
- **Namespace:** `TXTextControl.DataVisualization`
- **Package:** `TXTextControl.TextControl.WinForms.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 for Windows Forms > Reference > TXTextControl.DataVisualization > ChartFrame.ExportFilterIndex Property
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-datavisualization/chartframe/exportfilterindex-property/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-datavisualization/chartframe/exportfilterindex-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-datavisualization/chartframe/exportfilterindex-property/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-datavisualization/chartframe/exportfilterindex-property/#description)
- [Syntax](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-datavisualization/chartframe/exportfilterindex-property/#syntax)
- [Examples](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-datavisualization/chartframe/exportfilterindex-property/#examples)

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## Nearby

- **Previous:** [ChartFrame.ExportFileName Property](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-datavisualization/chartframe/exportfilename-property/llms.txt)
- **Next:** [ChartFrame.ExportResolution Property](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-datavisualization/chartframe/exportresolution-property/llms.txt)