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Pooja Poojari
2022-02-28 08:53:24 -08:00
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dotnet-desktop-guide/framework/wpf/controls/change-selection-in-a-richtextbox-programmatically.md
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---
title: "Change Selection in a RichTextBox Programmatically"
ms.date: "03/30/2017"
ms.custom: devdivchpfy22
description: Learn how to change selection in a RichTextBox programmatically.
dev_langs:
- "csharp"
- "vb"
@@ -12,12 +14,12 @@ ms.assetid: f1213205-1ad7-4cd2-b115-460173cc5aa3
# Change Selection in a RichTextBox Programmatically
This example shows how to programmatically change the current selection in a <xref:System.Windows.Controls.RichTextBox>. This selection is the same as if the user had selected the content by using the user interface.
## Example
## Code example for a RichTextBox control
The following [!INCLUDE[TLA#tla_xaml](../../../includes/tlasharptla-xaml-md.md)] code describes a named <xref:System.Windows.Controls.RichTextBox> control with simple content.
[!code-xaml[RichTextBoxMiscSnippets_snip#ChangeSelectionProgrammaticalyExampleWholePage](~/samples/snippets/csharp/VS_Snippets_Wpf/RichTextBoxMiscSnippets_snip/CSharp/ChangeSelectionProgrammaticaly.xaml#changeselectionprogrammaticalyexamplewholepage)]
## Example
## Code example to select text from a RichTextBox
The following code programmatically selects some arbitrary text when the user clicks inside the <xref:System.Windows.Controls.RichTextBox>.
[!code-csharp[RichTextBoxMiscSnippets_snip#ChangeSelectionProgrammaticalyCodeExampleWholePage](~/samples/snippets/csharp/VS_Snippets_Wpf/RichTextBoxMiscSnippets_snip/CSharp/ChangeSelectionProgrammaticaly.xaml.cs#changeselectionprogrammaticalycodeexamplewholepage)]