CompositionConstants Class
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Contains static metadata keys used by the composition system.
Inheritance Hierarchy
System.Object
System.ComponentModel.Composition.Hosting.CompositionConstants
Namespace: System.ComponentModel.Composition.Hosting
Assembly: System.ComponentModel.Composition (in System.ComponentModel.Composition.dll)
Syntax
'Declaration
Public NotInheritable Class CompositionConstants
public static class CompositionConstants
The CompositionConstants type exposes the following members.
Fields
| Name | Description | |
|---|---|---|
.gif "Public field") .gif "Static member") |
ExportTypeIdentityMetadataName | Specifies the key for metadata created by the composition system to mark a part with a unique identifier. |
|
PartCreationPolicyMetadataName | Specifies the key for metadata created by the composition system to mark a part with a creation policy. |
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Remarks
Users should not create metadata by using any of the keys in this class, except to deliberately interact with the composition system. Other uses will cause unpredictable behavior.
Version Information
Silverlight
Supported in: 5, 4
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.