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ThemeInfoAttribute Class

Specifies the location in which theme dictionaries are stored for an assembly.


Namespace:  System.Windows
Assembly:  PresentationFramework (in PresentationFramework.dll)

public sealed class ThemeInfoAttribute : Attribute

The ThemeInfoAttribute type exposes the following members.

Public methodThemeInfoAttributeInitializes a new instance of the ThemeInfoAttribute class and creates an attribute that defines theme dictionary locations for types in an assembly.

Public propertyGenericDictionaryLocationThe location of generic, not theme specific, resources.
Public propertyThemeDictionaryLocationThe location of theme specific resources.
Public propertyTypeIdWhen implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)

Public methodEqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Public methodGetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodIsDefaultAttributeWhen overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
Public methodMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)

Explicit interface implemetationPrivate method_Attribute.GetIDsOfNamesMaps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoRetrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoCountRetrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.InvokeProvides access to properties and methods exposed by an object. (Inherited from Attribute.)

This attribute is used at the assembly level to indicate which theme resource dictionaries are being declared by an assembly for its defined controls, and where the resource dictionaries are located.

For example, if you do not provide theme-specific resource dictionaries, and your generic.xaml that supplies resource definitions for all resource lookups is compiled into the same assembly in which the assembly's control class definitions exist, you would apply the following attribution in the AssemblyInfo.cs for the assembly project:

[assembly:ThemeInfoAttribute(ResourceDictionaryLocation.None, ResourceDictionaryLocation.SourceAssembly)]

In addition to ThemeInfoAttribute application, your project and assembly must have additional characteristics in order for the resource dictionaries to be usable by the WPF theming system.

  • If you declare SourceAssembly, then the referenced resource dictionary should be placed within a themes directory in the assembly structure.

  • If you declare SourceAssembly for ThemeDictionaryLocation, then the names of the XAML files are expected to conform to the XAML file naming scheme themes\<Theme Name>.<Theme Color>.xaml. For example, the following is a list of theme files that support a variety of possible WPF theming scenarios on clients:

    • themes\luna.normalcolor.xaml

    • themes\luna.homestead.xaml

    • themes\luna.metallic.xaml

    • themes\royale.normalcolor.xaml

    • themes\aero.normalcolor.xaml

    • themes\classic.xaml

  • If you declare ExternalAssembly, then the external assembly names are expected to conform to a naming scheme, and each assembly for each theme should be built using the same key information.

For more information about how to create and use theme resource dictionaries, see "Defining Resources at the Theme Level" section of the topic Control Authoring Overview.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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