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CategoryAttribute Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Specifies the name of the category in which to group the property or event when displayed in a property grid control set to Categorized mode.

Inheritance Hierarchy

System.Object
  System.Attribute
    System.ComponentModel.CategoryAttribute

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

Syntax

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

The CategoryAttribute type exposes the following members.

Constructors

  Name Description
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 CategoryAttribute() Initializes a new instance of the CategoryAttribute class using the category name Default.
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 CategoryAttribute(String) Initializes a new instance of the CategoryAttribute class using the specified category name.

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Properties

  Name Description
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Action Gets a CategoryAttribute representing the Action category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Appearance Gets a CategoryAttribute representing the Appearance category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Asynchronous Gets a CategoryAttribute representing the Asynchronous category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Behavior Gets a CategoryAttribute representing the Behavior category.
Public propertySupported by Silverlight for Windows PhoneSupported by Xbox 360 Category Gets the name of the category for the property or event that this attribute is applied to.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Data Gets a CategoryAttribute representing the Data category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Default Gets a CategoryAttribute representing the Default category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Design Gets a CategoryAttribute representing the Design category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 DragDrop Gets a CategoryAttribute representing the DragDrop category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Focus Gets a CategoryAttribute representing the Focus category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Format Gets a CategoryAttribute representing the Format category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Key Gets a CategoryAttribute representing the Key category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Layout Gets a CategoryAttribute representing the Layout category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 Mouse Gets a CategoryAttribute representing the Mouse category.
Public propertyStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 WindowStyle Gets a CategoryAttribute representing the WindowStyle category.

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Methods

  Name Description
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 Equals Returns whether the value of the specified object is equal to the current CategoryAttribute. (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 attribute. (Overrides Attribute.GetHashCode().)
Protected methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 GetLocalizedString Looks up the localized name of the specified category.
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.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 ToString Returns a string that represents the current object. (Inherited from Object.)

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Remarks

A CategoryAttribute indicates the category to associate the associated property or event with, when listing properties or events in a property grid control set to Categorized mode. If a CategoryAttribute has not been applied to a property or event, the property grid associates it with the Misc category. A new category can be created for any name by specifying the name of the category in the constructor for the CategoryAttribute.

The Category property indicates the name of the category that the attribute represents. The Category property also provides transparent localization of category names.

Notes to Inheritors

If you use category names other than the predefined names, and you want to localize your category names, you must override the GetLocalizedString method. Additionally, you can override the Category property to provide your own logic for localization.

The CategoryAttribute class defines the following common categories:

Category

Description

Action

Properties related to available actions.

Appearance

Properties related to how an entity appears.

Behavior

Properties related to how an entity acts.

Data

Properties related to data and data source management.

Default

Properties that are grouped in a default category.

Design

Properties that are available only at design time.

DragDrop

Properties related to drag-and-drop operations.

Focus

Properties related to focus.

Format

Properties related to formatting.

Key

Properties related to the keyboard.

Layout

Properties related to layout.

Mouse

Properties related to the mouse.

WindowStyle

Properties related to the window style of top-level forms.

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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.