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DefaultEventAttribute Class

Specifies the default event for a control.

System.Object
  System.Attribute
    System.ComponentModel.DefaultEventAttribute

Namespace:  System.ComponentModel
Assembly:  System (in System.dll)
[AttributeUsageAttribute(AttributeTargets.Class)]
public sealed class DefaultEventAttribute : Attribute

The DefaultEventAttribute type exposes the following members.

  NameDescription
Public methodDefaultEventAttributeInitializes a new instance of the DefaultEventAttribute class.
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  NameDescription
Public propertyNameGets the name of the default event for the component this attribute is bound to.
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  NameDescription
Public methodEqualsReturns whether the value of the given object is equal to the current DefaultEventAttribute. (Overrides Attribute.Equals(Object).)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeReturns the hash code for this instance. (Overrides Attribute.GetHashCode().)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Public fieldStatic memberDefaultSpecifies the default value for the DefaultEventAttribute, which is null. This static field is read-only.
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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
{
    add
    {
        onMouseDown += value;
    }
    remove
    {
        onMouseDown -= value;
    }
}
// Insert additional code.


Silverlight

Supported in: 5, 4

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

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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