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DependencyProperty.RegisterAttached Method (String, Type, Type)

Registers an attached property with the specified property name, property type, and owner type.

Namespace:  System.Windows
Assembly:  WindowsBase (in WindowsBase.dll)
public static DependencyProperty RegisterAttached(
	string name,
	Type propertyType,
	Type ownerType
)

Parameters

name
Type: System.String
The name of the dependency property to register.
propertyType
Type: System.Type
The type of the property.
ownerType
Type: System.Type
The owner type that is registering the dependency property.

Return Value

Type: System.Windows.DependencyProperty
A dependency property identifier that should be used to set the value of a public static readonly field in your class. That identifier is then used to reference the dependency property later, for operations such as setting its value programmatically or obtaining metadata.

An attached property is a property concept defined by Extensible Application Markup Language (XAML). WPF implements attached properties as dependency properties. Because the WPF attached properties are dependency properties, they can have metadata applied that can be used by the general property system for operations such as reporting layout characteristics. For more information, see Attached Properties Overview.

For more information on dependency property registration, see DependencyProperty.

The following example registers an attached property on an abstract class using this RegisterAttached signature.


public static readonly DependencyProperty IsBubbleSourceProperty = DependencyProperty.RegisterAttached(
  "IsBubbleSource",
  typeof(Boolean),
  typeof(AquariumObject2)
);
public static void SetIsBubbleSource(UIElement element, Boolean value)
{
    element.SetValue(IsBubbleSourceProperty, value);
}
public static Boolean GetIsBubbleSource(UIElement element)
{
    return (Boolean)element.GetValue(IsBubbleSourceProperty);
}


.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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