# API Reference

> Look up the syntax, parameters and introducing version of every member of the Windows Forms TextControl, the Ribbon, ServerTextControl and MailMerge.

- **Product:** TX Text Control .NET for Windows Forms
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET for Windows Forms > API Reference
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/llms-full.txt

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## On This Page

- [What the Reference Covers](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/#what-the-reference-covers)
- [How a Reference Page Is Organized](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/#how-a-reference-page-is-organized)
- [Find the Right Page](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/#find-the-right-page)
- [Where to Start](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/#where-to-start)
- [Pages in This Section](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/#pages-in-this-section)

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## In This Section

- [.NET API](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/dotnet-api/llms.txt): Find the namespace of a Windows Forms class: TextControl in TXTextControl, the Ribbon and Sidebar, MailMerge, the reporting dialog boxes and PDF form fields.
- [Formula Functions](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/formula-functions/llms.txt): Look up the arguments and defaults of the 85 table formula functions in a Windows Forms TextControl, from SUM and ROUND to COUNTA, and the Excel XLSX functions.
- [TXTextControl.Barcode namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-barcode/llms.txt): Enumerations TXTextControl.Barcode.BarcodeTypeSettings Class TXTextControl.Barcode.TXBarcodeControl Class TXTextControl.Barcode.TXBarcodeCore Class
- [TXTextControl.DataVisualization namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-datavisualization/llms.txt): TXTextControl.DataVisualization.BarcodeCollection Class TXTextControl.DataVisualization.BarcodeEventArgs Class TXTextControl.DataVisualization.BarcodeFrame Class TXTextControl.DataVisualization.ChartCollection Class TXTextControl.DataVisualization.ChartEventArgs Class TXTextControl.DataVisualization.ChartFrame Class TXTextControl.DataVisualization.DrawingCollection Class TXTextControl.DataVisualization.DrawingEventArgs Class TXTextControl.DataVisualization.DrawingFrame Class
- [TXTextControl.DocumentServer.DataShaping namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver-datashaping/llms.txt): TXTextControl.DocumentServer.DataShaping.FilterInstruction Class TXTextControl.DocumentServer.DataShaping.SortingInstruction Class
- [TXTextControl.DocumentServer.DataSources namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver-datasources/llms.txt): Enumerations TXTextControl.DocumentServer.DataSources.DataColumnInfo Class TXTextControl.DocumentServer.DataSources.DataColumnInfoCollection Class TXTextControl.DocumentServer.DataSources.DataRelationInfo Class TXTextControl.DocumentServer.DataSources.DataRelationInfoCollection Class TXTextControl.DocumentServer.DataSources.DataSourceManager Class TXTextControl.DocumentServer.DataSources.DataTableInfo Class TXTextControl.DocumentServer.DataSources.DataTableInfoCollection Class TXTextControl.DocumentServer.DataSources.IDataRowAdapter Interface TXTextControl.DocumentServer.DataSources.IDataTableAdapter Interface TXTextControl.DocumentServer.DataSources.MergeBlockInfo Class TXTextControl.DocumentServer.DataSources.MergeBlockSettings Class TXTextControl.DocumentServer.DataSources.MergeSettings Class
- [TXTextControl.DocumentServer.Fields namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver-fields/llms.txt): TXTextControl.DocumentServer.Fields.CheckBoxContentControl Class TXTextControl.DocumentServer.Fields.ComboBoxContentControl Class TXTextControl.DocumentServer.Fields.ContentControlFieldAdapter Class TXTextControl.DocumentServer.Fields.DateContentControl Class TXTextControl.DocumentServer.Fields.DateField Class TXTextControl.DocumentServer.Fields.DropDownListContentControl Class TXTextControl.DocumentServer.Fields.FieldAdapter Class TXTextControl.DocumentServer.Fields.FormCheckBox Class TXTextControl.DocumentServer.Fields.FormDropDown Class TXTextControl.DocumentServer.Fields.FormFieldAdapter Class TXTextControl.DocumentServer.Fields.FormText Class TXTextControl.DocumentServer.Fields.IfField Class TXTextControl.DocumentServer.Fields.IncludeText Class TXTextControl.DocumentServer.Fields.MailMergeFieldAdapter Class TXTextControl.DocumentServer.Fields.MergeField Class TXTextControl.DocumentServer.Fields.NextField Class TXTextControl.DocumentServer.Fields.NextIfField Class TXTextControl.DocumentServer.Fields.PlainTextContentControl Class TXTextControl.DocumentServer.Fields.RichTextContentControl Class
- [TXTextControl.DocumentServer.Json namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver-json/llms.txt): TXTextControl.DocumentServer.Json.InvalidCodePointException Class TXTextControl.DocumentServer.Json.InvalidNumberFormatException Class TXTextControl.DocumentServer.Json.ParserException Class TXTextControl.DocumentServer.Json.UnexpectedEndOfInputException Class TXTextControl.DocumentServer.Json.UnexpectedTokenException Class TXTextControl.DocumentServer.Json.UnknownLiteralNameTokenException Class TXTextControl.DocumentServer.Json.UnknownParseErrorException Class
- [TXTextControl.DocumentServer.PDF.AcroForms namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver-pdf-acroforms/llms.txt): TXTextControl.DocumentServer.PDF.AcroForms.FieldType Enumeration TXTextControl.DocumentServer.PDF.AcroForms.FormButton Class TXTextControl.DocumentServer.PDF.AcroForms.FormCheckBox Class TXTextControl.DocumentServer.PDF.AcroForms.FormChoiceField Class TXTextControl.DocumentServer.PDF.AcroForms.FormComboBox Class TXTextControl.DocumentServer.PDF.AcroForms.FormField Class TXTextControl.DocumentServer.PDF.AcroForms.FormListBox Class TXTextControl.DocumentServer.PDF.AcroForms.FormRadioButton Class TXTextControl.DocumentServer.PDF.AcroForms.FormTextField Class
- [TXTextControl.DocumentServer.PDF.Contents namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver-pdf-contents/llms.txt): TXTextControl.DocumentServer.PDF.Contents.ContentLine Class TXTextControl.DocumentServer.PDF.Contents.Lines Class
- [TXTextControl.DocumentServer.PDF namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver-pdf/llms.txt): TXTextControl.DocumentServer.PDF.AcroForms.FormButton Class TXTextControl.DocumentServer.PDF.AcroForms.FormCheckBox Class TXTextControl.DocumentServer.PDF.AcroForms.FormChoiceField Class TXTextControl.DocumentServer.PDF.AcroForms.FormComboBox Class TXTextControl.DocumentServer.PDF.AcroForms.FormField Class TXTextControl.DocumentServer.PDF.AcroForms.FormListBox Class TXTextControl.DocumentServer.PDF.AcroForms.FormRadioButton Class TXTextControl.DocumentServer.PDF.AcroForms.FormTextField Class TXTextControl.DocumentServer.PDF.Attachments Class TXTextControl.DocumentServer.PDF.Contents.ContentLine Class TXTextControl.DocumentServer.PDF.Contents.Lines Class TXTextControl.DocumentServer.PDF.EmbeddedFile Class TXTextControl.DocumentServer.PDF.Forms Class
- [TXTextControl.DocumentServer.Windows.Forms namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver-windows-forms/llms.txt): TXTextControl.DocumentServer.Windows.Forms.ChartDataRelationDialog Class TXTextControl.DocumentServer.Windows.Forms.DatabaseConnectionDialog Class TXTextControl.DocumentServer.Windows.Forms.DataSourceExtractionDialog Class TXTextControl.DocumentServer.Windows.Forms.EditDataRelationsDialog Class TXTextControl.DocumentServer.Windows.Forms.EditMergeBlocksDialog Class TXTextControl.DocumentServer.Windows.Forms.FilterAndSortDialog Class TXTextControl.DocumentServer.Windows.Forms.InsertMergeBlockDialog Class
- [TXTextControl.DocumentServer namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-documentserver/llms.txt): Enumerations TXTextControl.DocumentServer.DataShaping Namespace TXTextControl.DocumentServer.DataSources Namespace TXTextControl.DocumentServer.Fields Namespace TXTextControl.DocumentServer.Json Namespace TXTextControl.DocumentServer.PDF Namespace TXTextControl.DocumentServer.Windows.Forms Namespace TXTextControl.DocumentServer.DocumentController Class TXTextControl.DocumentServer.DocumentController.FieldAdapterCollection Class TXTextControl.DocumentServer.MailMerge Class TXTextControl.DocumentServer.MailMerge.BarcodeMergedEventArgs Class TXTextControl.DocumentServer.MailMerge.BlockMergingEventArgs Class TXTextControl.DocumentServer.MailMerge.BlockRowMergedEventArgs Class TXTextControl.DocumentServer.MailMerge.ChartMergedEventArgs Class TXTextControl.DocumentServer.MailMerge.DataRowMergedEventArgs Class TXTextControl.DocumentServer.MailMerge.FieldMergedEventArgs Class TXTextControl.DocumentServer.MailMerge.FormFieldMergedEventArgs Class TXTextControl.DocumentServer.MailMerge.FrameMergedEventArgs Class TXTextControl.DocumentServer.MailMerge.ImageFieldMergedEventArgs Class TXTextControl.DocumentServer.MailMerge.ImageMergedEventArgs Class TXTextControl.DocumentServer.MailMerge.IncludeTextMergingEventArgs Class TXTextControl.DocumentServer.MergeCanceledException Class
- [TXTextControl.Drawing namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-drawing/llms.txt): Enumerations TXTextControl.Drawing.MenuItem Class TXTextControl.Drawing.Selection Class TXTextControl.Drawing.Shape Class TXTextControl.Drawing.Shape.Fill Class TXTextControl.Drawing.Shape.Outline Class TXTextControl.Drawing.ShapeCollection Class TXTextControl.Drawing.ShapeEventArgs Class TXTextControl.Drawing.ShapesContextMenuStrip Class TXTextControl.Drawing.TXDrawingControl Class TXTextControl.Drawing.TXDrawingCore Class TXTextControl.Drawing.ViewChangedEventArgs Class
- [TXTextControl.Windows.Forms.Ribbon namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-windows-forms-ribbon/llms.txt): Enumerations TXTextControl.Windows.Forms.Ribbon.ContextualTabGroup Class TXTextControl.Windows.Forms.Ribbon.ContextualTabGroupCollection Class TXTextControl.Windows.Forms.Ribbon.DialogBoxLauncher Class TXTextControl.Windows.Forms.Ribbon.HorizontalRibbonGroup Class TXTextControl.Windows.Forms.Ribbon.Ribbon Class TXTextControl.Windows.Forms.Ribbon.Ribbon.Colors Class TXTextControl.Windows.Forms.Ribbon.RibbonButton Class TXTextControl.Windows.Forms.Ribbon.RibbonChartLayoutTab Class TXTextControl.Windows.Forms.Ribbon.RibbonComboBox Class TXTextControl.Windows.Forms.Ribbon.RibbonForm Class TXTextControl.Windows.Forms.Ribbon.RibbonFormattingTab Class TXTextControl.Windows.Forms.Ribbon.RibbonFormFieldsTab Class TXTextControl.Windows.Forms.Ribbon.RibbonFormulaTab Class TXTextControl.Windows.Forms.Ribbon.RibbonFrameLayoutTab Class TXTextControl.Windows.Forms.Ribbon.RibbonGroup Class TXTextControl.Windows.Forms.Ribbon.RibbonGroupCollection Class TXTextControl.Windows.Forms.Ribbon.RibbonInsertTab Class TXTextControl.Windows.Forms.Ribbon.RibbonItemCollection Class TXTextControl.Windows.Forms.Ribbon.RibbonLabel Class TXTextControl.Windows.Forms.Ribbon.RibbonListView Class TXTextControl.Windows.Forms.Ribbon.RibbonListView.RibbonListViewItem Class TXTextControl.Windows.Forms.Ribbon.RibbonListView.RibbonListViewItemCollection Class TXTextControl.Windows.Forms.Ribbon.RibbonListView.RibbonListViewItemDropDown Class TXTextControl.Windows.Forms.Ribbon.RibbonListView.RibbonListViewItemEventArgs Class TXTextControl.Windows.Forms.Ribbon.RibbonMenuButton Class TXTextControl.Windows.Forms.Ribbon.RibbonPageLayoutTab Class TXTextControl.Windows.Forms.Ribbon.RibbonPermissionsTab Class TXTextControl.Windows.Forms.Ribbon.RibbonProofingTab Class TXTextControl.Windows.Forms.Ribbon.RibbonReferencesTab Class TXTextControl.Windows.Forms.Ribbon.RibbonReportingTab Class TXTextControl.Windows.Forms.Ribbon.RibbonSeperator Class TXTextControl.Windows.Forms.Ribbon.RibbonSplitButton Class TXTextControl.Windows.Forms.Ribbon.RibbonTab Class TXTextControl.Windows.Forms.Ribbon.RibbonTableLayoutTab Class TXTextControl.Windows.Forms.Ribbon.RibbonTextBox Class TXTextControl.Windows.Forms.Ribbon.RibbonToggleButton Class TXTextControl.Windows.Forms.Ribbon.RibbonToolTip Class TXTextControl.Windows.Forms.Ribbon.RibbonViewTab Class
- [TXTextControl.Windows.Forms namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-windows-forms/llms.txt): TXTextControl.Windows.Forms.Ribbon Namespace TXTextControl.Windows.Forms.ResourceProvider Class TXTextControl.Windows.Forms.ResourceProvider.ImageSourceSettings Class TXTextControl.Windows.Forms.Sidebar Class
- [TXTextControl namespace](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol/llms.txt): Enumerations TXTextControl.AdaptFontEventArgs Class TXTextControl.ApplicationField Class TXTextControl.ApplicationFieldCollection Class TXTextControl.AutoSize Class TXTextControl.BookmarkDialog Class TXTextControl.ButtonBar Class TXTextControl.ButtonBar.Colors Class TXTextControl.CannotTrackChangeEventArgs Class TXTextControl.CheckFormField Class TXTextControl.CheckFormFieldEventArgs Class TXTextControl.CommentCollection Class TXTextControl.CommentedText Class TXTextControl.CommentEventArgs Class TXTextControl.CommentsDialog Class TXTextControl.Condition Class TXTextControl.ConditionalInstruction Class TXTextControl.ConditionalInstructionCollection Class TXTextControl.DateFormField Class TXTextControl.DateFormFieldEventArgs Class TXTextControl.DeleteBookmarksDialog Class TXTextControl.DigitalSignature Class TXTextControl.DocumentLink Class TXTextControl.DocumentLinkCollection Class TXTextControl.DocumentLinkEventArgs Class TXTextControl.DocumentPermissions Class TXTextControl.DocumentSettings Class TXTextControl.DocumentTarget Class TXTextControl.DocumentTargetCollection Class TXTextControl.DocumentTargetEventArgs Class TXTextControl.EditableRegion Class TXTextControl.EditableRegionCollection Class TXTextControl.EditableRegionEventArgs Class TXTextControl.EmbeddedFile Class TXTextControl.FilterException Class TXTextControl.FontSettings Class TXTextControl.Footnote Class TXTextControl.FootnoteCollection Class TXTextControl.FootnoteEventArgs Class TXTextControl.FootnoteSection Class TXTextControl.FootnoteText Class TXTextControl.FormattingStyle Class TXTextControl.FormattingStyleCollection Class TXTextControl.FormField Class TXTextControl.FormFieldCollection Class TXTextControl.FormFieldEventArgs Class TXTextControl.FormulaException Class TXTextControl.FrameBase Class TXTextControl.FrameBaseCollection Class TXTextControl.FrameCollection Class TXTextControl.FrameEventArgs Class TXTextControl.GotoDialog Class TXTextControl.HeaderFooter Class TXTextControl.HeaderFooterCollection Class TXTextControl.HeaderFooterEventArgs Class TXTextControl.HyperlinkDialog Class TXTextControl.HypertextLink Class TXTextControl.HypertextLinkCollection Class TXTextControl.HypertextLinkEventArgs Class TXTextControl.HyphenateWordEventArgs Class TXTextControl.IFormattedText Interface TXTextControl.Image Class TXTextControl.ImageCollection Class TXTextControl.ImageEventArgs Class TXTextControl.InlineStyle Class TXTextControl.InlineStyleCollection Class TXTextControl.InputFormat Class TXTextControl.InputPosition Class TXTextControl.Instruction Class TXTextControl.LicenseLevelException Class TXTextControl.Line Class TXTextControl.LineCollection Class TXTextControl.ListFormat Class TXTextControl.LoadSaveSettingsBase Class TXTextControl.LoadSettings Class TXTextControl.MainText Class TXTextControl.MiniToolbar Class TXTextControl.MiniToolbarInitializedEventArgs Class TXTextControl.MiniToolbarOpeningEventArgs Class TXTextControl.MisspelledWord Class TXTextControl.MisspelledWordCollection Class TXTextControl.NumberFormatException Class TXTextControl.ObjectMiniToolbar Class TXTextControl.Page Class TXTextControl.PageBorder Class TXTextControl.PageCollection Class TXTextControl.PageMargins Class TXTextControl.PageNumberField Class TXTextControl.PageNumberFieldCollection Class TXTextControl.PageSize Class TXTextControl.PaperSize Class TXTextControl.Paragraph Class TXTextControl.ParagraphCollection Class TXTextControl.ParagraphFormat Class TXTextControl.ParagraphStyle Class TXTextControl.ParagraphStyleCollection Class TXTextControl.RulerBar Class TXTextControl.RulerBar.Colors Class TXTextControl.SaveSettings Class TXTextControl.Section Class TXTextControl.SectionCollection Class TXTextControl.SectionFormat Class TXTextControl.Selection Class TXTextControl.SelectionFormField Class TXTextControl.SelectionFormFieldEventArgs Class TXTextControl.ServerTextControl Class TXTextControl.SignatureField Class TXTextControl.SignatureFieldCollection Class TXTextControl.SignatureFieldEventArgs Class TXTextControl.SignatureImage Class TXTextControl.SignerData Class TXTextControl.SpellCheckTextEventArgs Class TXTextControl.StatusBar Class TXTextControl.StatusBar.Colors Class TXTextControl.SubTextPart Class TXTextControl.SubTextPartCollection Class TXTextControl.SubTextPartEventArgs Class TXTextControl.Table Class TXTextControl.TableBaseCollection Class TXTextControl.TableCell Class TXTextControl.TableCellCollection Class TXTextControl.TableCellFormat Class TXTextControl.TableCollection Class TXTextControl.TableColumn Class TXTextControl.TableColumnCollection Class TXTextControl.TableEventArgs Class TXTextControl.TableOfContents Class TXTextControl.TableOfContentsCollection Class TXTextControl.TableOfContentsEventArgs Class TXTextControl.TablePartCollection Class TXTextControl.TableRow Class TXTextControl.TableRowCollection Class TXTextControl.TextChar Class TXTextControl.TextCharCollection Class TXTextControl.TextContextMenuEventArgs Class TXTextControl.TextControl Class TXTextControl.TextControl.Colors Class TXTextControl.TextEditorException Class TXTextControl.TextField Class TXTextControl.TextFieldCollection Class TXTextControl.TextFieldCollectionBase Class TXTextControl.TextFieldEventArgs Class TXTextControl.TextFormField Class TXTextControl.TextFormFieldEventArgs Class TXTextControl.TextFrame Class TXTextControl.TextFrameCollection Class TXTextControl.TextFrameEventArgs Class TXTextControl.TextMiniToolbar Class TXTextControl.TextPartCollection Class TXTextControl.ThesaurusDialog Class TXTextControl.TrackedChange Class TXTextControl.TrackedChangeCollection Class TXTextControl.TrackedChangeEventArgs Class TXTextControl.TrackedChangesDialog Class TXTextControl.UserDefinedPropertyDictionary Class TXTextControl.VersionInfo Class TXTextControl.XmlElement Class TXTextControl.XmlElementCollection Class TXTextControl.XmlErrorEventArgs Class

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## Nearby

- **Previous:** [What's New in TX Text Control .NET for Windows Forms 10.1](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/whats-new/older-versions/1010/llms.txt)
- **Next:** [.NET API](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/dotnet-api/llms.txt)