DefaultValueAttribute Class

Specifies the default value for a property.

Inheritance Hierarchy

System.Object
  System.Attribute
    System.ComponentModel.DefaultValueAttribute

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

Syntax

'Declaration
<AttributeUsageAttribute(AttributeTargets.All)> _
Public Class DefaultValueAttribute _
    Inherits Attribute
[AttributeUsageAttribute(AttributeTargets.All)]
public class DefaultValueAttribute : Attribute

The DefaultValueAttribute type exposes the following members.

Constructors

  Name Description
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(Boolean) Initializes a new instance of the DefaultValueAttribute class using a Boolean value.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(Byte) Initializes a new instance of the DefaultValueAttribute class using an 8-bit unsigned integer.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(Char) Initializes a new instance of the DefaultValueAttribute class using a Unicode character.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(Double) Initializes a new instance of the DefaultValueAttribute class using a double-precision floating point number.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(Int16) Initializes a new instance of the DefaultValueAttribute class using a 16-bit signed integer.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(Int32) Initializes a new instance of the DefaultValueAttribute class using a 32-bit signed integer.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(Int64) Initializes a new instance of the DefaultValueAttribute class using a 64-bit signed integer.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(Object) Initializes a new instance of the DefaultValueAttribute class.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(Single) Initializes a new instance of the DefaultValueAttribute class using a single-precision floating point number.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(String) Initializes a new instance of the DefaultValueAttribute class using a String.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 DefaultValueAttribute(Type, String) Initializes a new instance of the DefaultValueAttribute class, converting the specified value to the specified type, and using an invariant culture as the translation context.

Top

Properties

  Name Description
Public propertySupported by Silverlight for Windows PhoneSupported by Xbox 360 Value Gets the default value of the property this attribute is bound to.

Top

Methods

  Name Description
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 Equals Returns whether the value of the given object is equal to the current DefaultValueAttribute. (Overrides Attribute.Equals(Object).)
Protected methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 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 methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 GetHashCode Returns the hash code for this instance. (Overrides Attribute.GetHashCode().)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 GetType Gets the Type of the current instance. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 Match When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Protected methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 SetValue Sets the default value for the property to which this attribute is bound.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 ToString Returns a string that represents the current object. (Inherited from Object.)

Top

Remarks

You can create a DefaultValueAttribute with any value. A member's default value is typically its initial value. A visual designer can use the default value to reset the member's value. Code generators can use the default values also to determine whether code should be generated for the member.

Topic Location
Developing Custom Data-Bound Web Server Controls for ASP.NET 1.1 Authoring ASP.NET Controls
Walkthrough: Developing and Using a Custom Server Control Authoring ASP.NET Controls
Developing Custom Data-Bound Web Server Controls for ASP.NET 2.0 Authoring ASP.NET Controls
Walkthrough: Creating a Custom Data-Bound ASP.NET Web Control for ASP.NET 2.0 Authoring ASP.NET Controls
Walkthrough: Creating a Custom Data-Bound ASP.NET Web Control for ASP.NET 1.1 Authoring ASP.NET Controls
Developing Custom Data-Bound Web Server Controls for ASP.NET 1.1 Authoring ASP.NET Controls
Walkthrough: Developing and Using a Custom Server Control Authoring ASP.NET Controls
Developing Custom Data-Bound Web Server Controls for ASP.NET 2.0 Authoring ASP.NET Controls
Walkthrough: Creating a Custom Data-Bound ASP.NET Web Control for ASP.NET 2.0 Authoring ASP.NET Controls
Walkthrough: Creating a Custom Data-Bound ASP.NET Web Control for ASP.NET 1.1 Authoring ASP.NET Controls
Walkthrough: Developing and Using a Custom Server Control Authoring ASP.NET Controls
Walkthrough: Developing and Using a Custom Server Control Authoring ASP.NET Controls
Developing Custom Data-Bound Web Server Controls for ASP.NET 1.1 Authoring ASP.NET Controls
Developing Custom Data-Bound Web Server Controls for ASP.NET 2.0 Authoring ASP.NET Controls
Walkthrough: Creating a Custom Data-Bound ASP.NET Web Control for ASP.NET 2.0 Authoring ASP.NET Controls
Walkthrough: Creating a Custom Data-Bound ASP.NET Web Control for ASP.NET 1.1 Authoring ASP.NET Controls

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

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.