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TextBoxBase Class

An abstract base class that provides functionality for text editing controls, including TextBox and RichTextBox. This class cannot be inherited.

Namespace: System.Windows.Controls.Primitives
Assembly: PresentationFramework (in presentationframework.dll)
XML Namespace:  http://schemas.microsoft.com/winfx/2006/xaml/presentation

[LocalizabilityAttribute(LocalizationCategory.Text)] 
[TemplatePartAttribute(Name="PART_ContentHost", Type=typeof(FrameworkElement))] 
public abstract class TextBoxBase : Control
/** @attribute LocalizabilityAttribute(LocalizationCategory.Text) */ 
/** @attribute TemplatePartAttribute(Name="PART_ContentHost", Type=System.Windows.FrameworkElement) */ 
public abstract class TextBoxBase extends Control
LocalizabilityAttribute(LocalizationCategory.Text) 
TemplatePartAttribute(Name="PART_ContentHost", Type=System.Windows.FrameworkElement) 
public abstract class TextBoxBase extends Control
This class is abstract; see Inheritance Hierarchy for derived non-abstract classes usable in XAML.

The following example demonstrates how to use the derived TextBox object in Extensible Application Markup Language (XAML).

<TextBox TextWrapping="Wrap"
         Name="myTextBox" 
         Width="500" 
         Height="200" 
         AcceptsReturn="True"
         IsUndoEnabled="True"
         VerticalScrollBarVisibility="Visible"
         HorizontalScrollBarVisibility="Auto" 
         Margin="25">

The following example demonstrates how to use the derived RichTextBox object in code.

RichTextBox richTextBox = new RichTextBox();
richTextBox.PreviewMouseUp += MouseUpHandler;
richTextBox.PreviewMouseDown += MouseDownHandler;
// Note: Event listeners can also be added using the AddHandler
// method.

System.Object
   System.Windows.Threading.DispatcherObject
     System.Windows.DependencyObject
       System.Windows.Media.Visual
         System.Windows.UIElement
           System.Windows.FrameworkElement
             System.Windows.Controls.Control
              System.Windows.Controls.Primitives.TextBoxBase
                 System.Windows.Controls.RichTextBox
                 System.Windows.Controls.TextBox

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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

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