RichTextBox.CaretPosition Property

Gets or sets the position of the input caret.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

Public Property CaretPosition As TextPointer

Property Value

Type: System.Windows.Documents.TextPointer
A TextPointer object specifying the position of the input caret.
By default, the caret is at the first insertion position at the beginning of the content hosted by the RichTextBox. See TextPointer for more information on text position terminology like "insertion position".


An attempt is made to set this property to Nothing.


An attempt is made to set this property to a TextPointer that references a position outside of the current document.

The following example illustrates the use of this property.

			' Create a new FlowDocument, and add 3 paragraphs.
			Dim flowDoc As New FlowDocument()
			flowDoc.Blocks.Add(New Paragraph(New Run("Paragraph 1")))
			flowDoc.Blocks.Add(New Paragraph(New Run("Paragraph 2")))
			flowDoc.Blocks.Add(New Paragraph(New Run("Paragraph 3")))
			' Set the FlowDocument to be the content for a new RichTextBox.
			Dim rtb As New RichTextBox(flowDoc)

			' Get the current caret position.
			Dim caretPos As TextPointer = rtb.CaretPosition

			' Set the TextPointer to the end of the current document.
			caretPos = caretPos.DocumentEnd

			' Specify the new caret position at the end of the current document.
			rtb.CaretPosition = caretPos

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
© 2014 Microsoft