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FrameworkElement.Tag Property

Gets or sets an arbitrary object value that can be used to store custom information about this element. This is a dependency property.

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

[LocalizabilityAttribute(LocalizationCategory.NeverLocalize)] 
public Object Tag { get; set; }
/** @property */
public Object get_Tag ()

/** @property */
public void set_Tag (Object value)

public function get Tag () : Object

public function set Tag (value : Object)

<object>
  <object.Tag>
    <Object .../>
  </object.Tag>
</object>

Property Value

The intended value. This property has no default value.

Identifier field

TagProperty

Metadata properties set to true

None

This property is analogous to Tag properties in other Microsoft programming models, such as Microsoft Visual Basic for Applications (VBA) or Windows Forms. Tag is intended to provide a pre-existing property location where you can store some basic custom information about any FrameworkElement without requiring you to subclass an element.

Because this property takes an object, you would need to use the property element usage in order to set the Tag property in Extensible Application Markup Language (XAML) to anything other than an object with a known and built-in type converter, such as a string. Objects used in in this manner are typically not within the standard Windows Presentation Foundation (WPF) namespaces and therefore may require namespace mapping to the external namespace in order to be introduced as XAML elements. For details, see XAML Namespaces and Namespace Mapping and XAML and Custom Classes.

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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