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RichTextBox.SelectionLength Property

Gets or sets the number of characters selected in control.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

[<BrowsableAttribute(false)>]
abstract SelectionLength : int with get, set
[<BrowsableAttribute(false)>]
override SelectionLength : int with get, set

Property Value

Type: System.Int32
The number of characters selected in the text box.

You can use this property to determine if any characters are currently selected in the text box control before performing operations on the selected text. You can also use this property to determine the total number of characters (including spaces) that are selected when performing single character tasks in a for loop.

The following code example demonstrates how to use the SelectionLength property to determine if text is selected within the RichTextBox. This example requires that a RichTextBox control, named richTextBox1, has been added to the form. The example also requires that richTextBox1 contains text that is selected in the control.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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.

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