DefaultEventAttribute Class

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Specifies the default event for a control.

Inheritance Hierarchy


Namespace:  System.ComponentModel
Assembly:  System (in System.dll)


<AttributeUsageAttribute(AttributeTargets.Class)> _
Public NotInheritable Class DefaultEventAttribute _
    Inherits Attribute
public sealed class DefaultEventAttribute : Attribute

The DefaultEventAttribute type exposes the following members.


  Name Description
Public method DefaultEventAttribute Initializes a new instance of the DefaultEventAttribute class.



  Name Description
Public property Name Gets the name of the default event for the component this attribute is bound to.



  Name Description
Public method Equals Returns whether the value of the given object is equal to the current DefaultEventAttribute. (Overrides Attribute.Equals(Object).)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before the Object 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 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.)



  Name Description
Public fieldStatic member Default Specifies the default value for the DefaultEventAttribute, which is nulla null reference (Nothing in Visual Basic). This static field is read-only.



Use the Name property to get the name of the default event.


The following example defines a collection class named MyCollection. The class is marked with a DefaultEventAttribute that specifies CollectionChanged as the default event.

private MouseEventHandler onMouseDown;

public event MouseEventHandler MouseDown
        onMouseDown += value;
        onMouseDown -= value;
// Insert additional code.

Version Information


Supported in: 5, 4


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

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