TextBox.Select Method

Selects a range of text in the TextBox.

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

public void Select (
	int start,
	int length
public void Select (
	int start, 
	int length
public function Select (
	start : int, 
	length : int
You cannot use methods in XAML.



A character index indicating the first character in the selection.


The length of the selection, in characters

Exception typeCondition


Raised when start or length is negative.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

Community Additions