System.Activities.Presentation.Hosting Namespace

Contains classes that enable the Windows Workflow Designer host to interact with assemblies, commands, and imported namespaces.

  ClassDescription
Public classAssemblyContextControlItemExposes an Item through the editing context for managing the list of referenced and local assemblies that will be used inside the workflow for controls such as the expression editor to determine the list of references.
Public classCommandInfoDescribes a command on the designer, such as copy or paste.
Public classCommandValuesA command interface that is used for integration of Windows Workflow Designer actions (for example, context menu) with custom-provided implementation—that is, property browser service, debugging service, and so on.
Public classImportedNamespaceContextItemA context item published to the editing context that represents a collection of imported namespaces associated with the designer.
Public classReadOnlyStateRepresents a ContextItem that is published in the editing context and that indicates whether the designer is in a read-only state.
Public classWindowHelperServiceProvides functionalities to register and unregister delegates for event notifications, as well as set ownership for windows.
Public classWorkflowCommandExtensionItemProvides functions to update each workflow's designer command (that is, input gestures collection). You should provide an IWorkflowCommandExtensionCallback implementation to receive notifications.

  InterfaceDescription
Public interfaceICommandServiceRepresents a command interface that is used for integration of Windows Workflow Designer actions (for example, context menu), with custom-provided implementations, such as property browser service, debugging service, and so on.
Public interfaceIDocumentPersistenceServiceProvides the functionality to persist a document.
Public interfaceIMultiTargetingSupportServiceProvides multi-targeting for Windows Workflow Designer hosts.
Public interfaceIWorkflowCommandExtensionCallbackProvides additional functions when a specified workflow command is loaded.

  DelegateDescription
Public delegateWindowMessageRepresents a delegate that is used to reference the method that will handle window messages.
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