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TemplatePartAttribute Class

Represents an attribute that is applied to the class definition to identify the types of the named parts that are used for templating.

System.Object
  System.Attribute
    System.Windows.TemplatePartAttribute

Namespace:  System.Windows
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
[AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple = true)]
public sealed class TemplatePartAttribute : Attribute
You cannot use this class or its properties in XAML.

The TemplatePartAttribute type exposes the following members.

  Name Description
Public method TemplatePartAttribute Initializes a new instance of the TemplatePartAttribute class.
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  Name Description
Public property Name Gets or sets the pre-defined name of the part.
Public property Type Gets or sets the type of the named part this attribute is identifying.
Public property TypeId When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)
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  Name Description
Public method Equals Infrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
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. (Inherited from Attribute.)
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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Control authors apply this attribute to the class definition to inform template authors the types of the parts to use for styling the class. These parts are usually required in the template and have a specific predefined name. There can only be one element with a given name in any template.

For example, if you look at the class declaration of the ComboBox class, you can see that the parts PART_EditableTextBox and PART_Popup are of types TextBox and Popup respectively.

For more information, see Guidelines for Designing Stylable Controls

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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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<TemplatePart(Name:="PART_EditArea", Type:=GetType(TextBox))> _
Public Class MyCustomContentControl
    Inherits ContentControl
'...