# SelectionFormField Class

> An object of the SelectionFormField class represents a combobox or a drop-down list on a form. It can be initially empty and it can have a horizontal extension, when it is empty. Depending on the Editable property the SelectionFormField either is a combobox or a drop-down list.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Class
- **Introduced:** 28.0
- **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
- **Inherits:** `TXTextControl.TextField` › `TXTextControl.FormField`
- **Path:** TX Text Control .NET Server > Reference > TXTextControl > SelectionFormField Class
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/selectionformfield/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/selectionformfield/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/selectionformfield/llms-full.txt

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## On This Page

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

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## In This Section

- [SelectionFormField Constructor](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/selectionformfield/constructor/llms.txt): Initializes a new instance of the SelectionFormField class.
- [SelectionFormField.EmptyWidth Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/selectionformfield/emptywidth-property/llms.txt): Gets or sets the horizontal extension, in twips, of the SelectionFormField, when there is no selected item.
- [SelectionFormField.IsDropDownArrowVisible Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/selectionformfield/isdropdownarrowvisible-property/llms.txt): Gets or sets a value indicating wheather a dropdown arrow is shown so that the user can select an item.
- [SelectionFormField.Items Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/selectionformfield/items-property/llms.txt): Gets or sets a list of items for the SelectionFormField. An item must not be an empty string.
- [SelectionFormField.SelectedIndex Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/selectionformfield/selectedindex-property/llms.txt): Gets or sets the index of the selected item of the SelectionFormField. If the property value is -1, no item is selected and the currently selected item is deselected.

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## Nearby

- **Previous:** [Selection.Underline Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/selection/underline-property/llms.txt)
- **Next:** [SelectionFormField Constructor](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol/selectionformfield/constructor/llms.txt)