Class RichTextBoxHelper

Helper class which maintains the richtextbox operations involving the editing, conversion of rich text into flow document and drawing of richtext box in the specified cell of SfSpreadsheet.

Inheritance

System.Object

RichTextBoxHelper

Namespace: Syncfusion.UI.Xaml.Spreadsheet.Helpers

Assembly: Syncfusion.SfSpreadsheet.WPF.dll

Syntax

public static class RichTextBoxHelper : Object

Methods

AppendFormat(SpreadsheetGrid, IFont, Run)

This method returns System.Windows.Documents.Run which append the next character when both have same font format.

Declaration

public static Run AppendFormat(SpreadsheetGrid grid, IFont charfont, Run run)

Parameters

Type	Name	Description
SpreadsheetGrid	grid	An instance of SpreadsheetGrid.
IFont	charfont	An instance of IFont.
System.Windows.Documents.Run	run	An instance of System.Windows.Documents.Run.

Returns

Type
System.Windows.Documents.Run

ConvertRichTextToFlowDocument(SpreadsheetGrid, IStyle, IRichTextString)

Create the flowdocument from the richtext of required content.

Declaration

public static FlowDocument ConvertRichTextToFlowDocument(this SpreadsheetGrid grid, IStyle excelstyle, IRichTextString richText)

Parameters

Type	Name	Description
SpreadsheetGrid	grid	An instance of SpreadsheetGrid.
IStyle	excelstyle	Styles of current excelrange.
IRichTextString	richText	The richtext string.

Returns

Type	Description
System.Windows.Documents.FlowDocument	The flow conent of the text.

DrawRichText(DrawingContext, Rect, FlowDocument, IStyle)

Draw the richtextbox with specified flow content and style in the particular range.

Declaration

public static void DrawRichText(DrawingContext dc, Rect rc, FlowDocument document, IStyle excelstyle)

Parameters

Type	Name	Description
System.Windows.Media.DrawingContext	dc	An instance of System.Windows.Media.DrawingContext.
System.Windows.Rect	rc	An instance System.Windows.Rect of cell.
System.Windows.Documents.FlowDocument	document	An instance of System.Windows.Documents.FlowDocument.
IStyle	excelstyle	An instance of IStyle.

SetRichTextString(SpreadsheetGrid, IRichTextString, FlowDocument, String)

Sets the rich text string in the specified SpreadsheetGrid.

Declaration

public static void SetRichTextString(SpreadsheetGrid grid, IRichTextString richText, FlowDocument flowdocument, string formattedtext)

Parameters

Type	Name	Description
SpreadsheetGrid	grid	An instance of SpreadsheetGrid.
IRichTextString	richText	The rich text string.
System.Windows.Documents.FlowDocument	flowdocument	An instance of System.Windows.Documents.FlowDocument.
System.String	formattedtext	Specified text.