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FeatureAttribute Class

Stores a Type object that represents a FeatureProvider type.

System.Object
  System.Attribute
    Microsoft.Windows.Design.Features.FeatureAttribute

Namespace:  Microsoft.Windows.Design.Features
Assembly:  Microsoft.Windows.Design.Extensibility (in Microsoft.Windows.Design.Extensibility.dll)
[AttributeUsageAttribute(AttributeTargets.Class|AttributeTargets.Interface, AllowMultiple = true)]
public sealed class FeatureAttribute : Attribute

The FeatureAttribute type exposes the following members.

  Name Description
Public method FeatureAttribute Initializes a new instance of the FeatureAttribute class.
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  Name Description
Public property FeatureProviderType Gets the FeatureProvider type to instantiate.
Public property TypeId Gets a unique identifier for this attribute. (Overrides Attribute.TypeId.)
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  Name Description
Public method Equals Returns a value that indicates whether this instance is equal to a specified object. (Overrides Attribute.Equals(Object).)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public method GetHashCode Returns the hash code for this instance. (Overrides Attribute.GetHashCode().)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Public method IsDefaultAttribute When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
Public method Match When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public method ToString Returns a string that represents the current object. (Inherited from Object.)
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  Name Description
Explicit interface implemetation Private method _Attribute.GetIDsOfNames Maps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.)
Explicit interface implemetation Private method _Attribute.GetTypeInfo Retrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.)
Explicit interface implemetation Private method _Attribute.GetTypeInfoCount Retrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.)
Explicit interface implemetation Private method _Attribute.Invoke Provides access to properties and methods exposed by an object. (Inherited from Attribute.)
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Use FeatureAttribute to attach a design-time feature to a type.

The feature provider defined in this attribute is instantiated on demand by the designer. For more information, see Feature Providers and Feature Connectors.

The following code example shows how to create a FeatureAttribute to associate an adorner provider with a control class. For more information, see Walkthrough: Creating a Design-time Adorner.


// Container for any general design-time metadata to initialize.
// Designers look for a type in the design-time assembly that 
// implements IProvideAttributeTable. If found, designers instantiate 
// this class and access its AttributeTable property automatically.
internal class Metadata : IProvideAttributeTable
{
    // Accessed by the designer to register any design-time metadata.
    public AttributeTable AttributeTable
    {
        get 
        {
            AttributeTableBuilder builder = new AttributeTableBuilder();

            // Add the adorner provider to the design-time metadata.
            builder.AddCustomAttributes(
                typeof(ButtonWithDesignTime),
                new FeatureAttribute(typeof(OpacitySliderAdornerProvider)));

            return builder.CreateTable();
        }
    }
}


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