Microsoft.VisualStudio.Shell Namespace


Class Description
Public class ActivityLog Provides methods for logging messages to the IVsActivityLog.
Public class BlockingTaskEventArgs
Public class CircularTaskDependencyException Infrastructure. Exception raised when a circular dependency would cause a deadlock during a requested task wait operation.
Public class CodeGeneratorRegistrationAttribute Adds a custom file generator registry entry for a specific file type.
Public class CommonMessagePump Allows callers to block the current thread until a handle or handles have been signaled.
Public class ComponentPickerPropertyPageAttribute Adds the property page registration for a component picker.
Public class ComUtilities Provides miscellaneous methods that can be used when interacting with unmanaged code (COM objects) or interop types.
Public class DefaultRegistryRootAttribute Defines the default registry root used to register VSPackage information. This class cannot be inherited.
Public class DesignPropertyDescriptor A specialization of PropertyDescriptor that allows customization of the display name of the property in the property grid.
Public class DialogContainerWithToolbar Use this class to implement modal forms in Visual Studio. The implementation enables the form to host a Visual Studio command bar so that it participates in standard command routing.
Public class DialogKeyEventArgs Represents the event arguments used by DialogKeyPendingEvent.
Public class DialogPage Provides a standard dialog box functionality for implementing Toolbox property sheets, ToolsOptions pages, or custom UI dialog boxes, with support for the Visual Studio automation model, Windows Forms, and state persistence by using the Visual Studio settings mechanism.
Protected class DialogPage.PageApplyEventArgs Event arguments that allow the OnApply method to indicate how to handle the apply event.
Public class EditorFactoryNotifyForProjectAttribute Adds a file extension for a Project System so the Project will call IVsEditorFactoryNotify methods when an item of this type is added or renamed.
Public class EnumerableComCollection<TComEnumerator, TEnumerated> Provides a generic base class for types that provide an IEnumerable wrapper around COM-style IEnumXXX interfaces.
Public class EnumerableHierarchiesCollection Provides a base class that supports a simple iteration over a hierarchy collection.
Public class ErrorListProvider This task provider is used to provide tasks for the Visual Studio Error List window.
Public class ErrorTask Represents an error task on the Task List. This class implements IVsErrorItem.
Public class EventSinkCollection Maps objects to and from event "cookies" that represent a client's registration with an event provider.
Public class ExtensionPointPackage Represents an extended version of the Package base class that implements IVsPackageExtensionProvider.
Public class ExtensionPointRegistrationAttribute Registers an extension point provider of the type specified by derived classes such as ExtensionProviderType.
Public class HierarchyItemCollectionChangedEventArgs Infrastructure.
Public class HierarchyItemEventArgs Provides event arguments that are used by AfterInvalidateItems and OnItemAdded events to denote which specific item was invalidated or added.
Public class HierarchyManipulationStateScope Facilitates deterministic restoration of an IVsHierarchyManipulationStateContext.
Public class HierarchyTreeFilterProvider Base class which implements some of the boilerplate parts of an ISolutionTreeFilter.
Protected class HierarchyTreeFilterProvider.HierarchyTreeFilter Base class that implements some of the boilerplate parts of an ISolutionTreeFilter. This includes behavior to ensure newly-added hierarchy items are always visible through the filtered view, even if those items do not match the filter. Derived types must still implement the logic for constructing the set of included items.
Public class InstalledProductRegistrationAttribute Provides information for the Visual Studio splash screen and the Help About dialog box when applied to a Package-derived class or a class that implements IVsPackage. This class cannot be inherited.
Public class InstalledToolboxItemInfo Supplies information about an existing toolbox item.
Public class KnownColorThemes Supplies predefined, well-known color themes.
Public class KnownUIContexts Supplies predefined, well-known UI contexts.
Public class LocalizableProperties LocalizableProperties provides a class that supplies custom type information on localizable properties for an object.
Public class LocDisplayNameAttribute Specifies the localizable display name for a property, event, or public void method which takes no arguments.
Public class MsiComponentIdAttribute Defines the Windows Installer component ID. The component ID is used by the Windows Installer to indicate the installation path to the VSPackage.
Public class MsiTokenAttribute Defines a token string for the MSI installer.
Public class NewDocumentStateScope Facilitates deterministic restoration of an IVsNewDocumentStateContext.
Public class OleDataObject Provides a managed class that implements the IOleDataObject interface.
Public class OleMenuCmdEventArgs The set of arguments passed to an OleMenuCommand object when the Invoke function is called.
Public class OleMenuCommand Represents a menu command in Visual Studio.
Public class OleMenuCommandService This class derives from the MenuCommandService class and implements IOleCommandTarget. MenuCommandService is the managed class used to add handlers for menu commands and to define verbs.
Public class Package Provides a managed implementation of the interfaces required to create a fully functional VSPackage.
Public class PackageRegistrationAttribute Modify your class that implements IVsPackage by using this attribute so that the registration tool, RegPkg.exe, will look for additional attributes. For more information, see Registering VSPackages.
Public class PackageUtilities A set of static utilities for filenames, paths, enumeration/string conversions, images, and other functions.
Public class PropertyPageTypeConverterAttribute The class representing the attribute describing how to convert property values on property pages in a package. Use this attribute rather than TypeConverterAttribute.
Public class ProvideAppCommandLineAttribute Adds a command line option to devenv for a specfic package type.
Public class ProvideAssemblyFilterAttribute Describes the assemblies that the IConfigureToolboxItem class supports.
Public class ProvideAutoLoadAttribute Apply this attribute to your VSPackage class to cause it to be automatically loaded when a specified UI context is active. This class cannot be inherited.
Public class ProvideAutomationObjectAttribute Modifying your Package-derived class with this attribute declares that it provides a particular automation object.
Public class ProvideBindingPathAttribute Registers a path that should be probed for candidate assemblies at assembly load time.You should use ProvideCodeBaseAttribute instead of ProvideBindingPathAttribute. Registering a specific assembly location instead of a directory to probe results in better performance.
Public class ProvideBindingRedirectionAttribute Registers a set of values that define a binding redirection. These values are merged at startup into the CLR runtime configuration.
Public class ProvideCodeBaseAttribute Registers a set of values that define a dependent assembly tag with a code base. These values are merged at startup into the CLR runtime configuration.
Public class ProvideComponentDiagnosticsAttribute Registers a component diagnostics provider and its associated view.
Public class ProvideDependentAssemblyAttribute Parent class for attributes that generate dependentAssembly entries.
Public class ProvideEditorExtensionAttribute Associates a file extension to a given editor factory when applied to a class that inherits from Package or implements the interface IVsPackage.
Public class ProvideEditorFactoryAttribute This attribute declares that the VSPackage provides an editor factory.
Public class ProvideEditorLogicalViewAttribute Adds a logical view to the editor created by an editor factory.
Public class ProvideExtenderAttribute Provides an extender for Visual Studio. This class cannot be inherited.
Public class ProvideKeyBindingTableAttribute Provides a key binding table GUID.
Public class ProvideLanguageCodeExpansionAttribute Registers language service support for code snippets.
Public class ProvideLanguageEditorOptionPageAttribute Provide a general method for setting a language service's editor tool option page.
Public class ProvideLanguageEditorToolsOptionCategoryAttribute This attribute is used to declare a Tools Option category for a language.
Public class ProvideLanguageExtensionAttribute Associates a file extension with a particular language service.
Public class ProvideLanguageServiceAttribute Informs Visual Studio that a VSPackage provides a language service. Used with the managed package framework (MPF).
Public class ProvideLoadKeyAttribute This attribute provides a package load key for your package. Not needed in Visual Studio 2010.
Public class ProvideMenuResourceAttribute Provides registration information about menu resources used in a VSPackage. This class cannot be inherited.
Public class ProvideMSBuildTargetsAttribute Obsolete. Do not use.Registers a custom targets file to the list of the targets known and trusted by MSBuild.
Public class ProvideObjectAttribute Informs Visual Studio that the VSPackage provides an object that can be created from the ILocalRegistryinterface. This class cannot be inherited.
Public class ProvideOptionDialogPageAttribute The base class for all the attributes that are used to register an option page.
Public class ProvideOptionPageAttribute Apply this attribute to independent objects to allow users to configure VSPackages through a custom Tools Options page.
Public class ProvidePhysicalViewAttributesAttribute Declares the attributes for a physical view offered by an editor.
Public class ProvideProfileAttribute Apply this attribute to independent objects used to implement a VSPackage's Visual Studio settings support.
Public class ProvideProjectFactoryAttribute ProvideProjectFactoryAttribute declares that a package provides a project factory.
Public class ProvideProjectItemAttribute This attribute registers items to be included in the Add New Item dialog for the specified project type. It is placed on a VSPackage.
Public class ProvideSearchProviderAttribute Registers the package as a search provider (IVsSearchProvider) extender. The Type and names passed in determine the search provider being registered.
Public class ProvideServiceAttribute This attribute indicates that the package proffers a service when applied to a subclass of Package or a class that implements IVsPackage.
Public class ProvideServiceAttributeBase Declares that a package provides a particular service when applied to a subclass of Package or a class that implements IVsPackage. The attributes on a package do not control the behavior of the package, but they can be used by registration tools to register the proper information with Visual Studio.
Public class ProvideServiceOverrideAttribute This attribute indicates that the package proffers a replacement for a default service. This attribute is included in the definition of a subclass of Package or a class that implements IVsPackage.
Public class ProvideStaticToolboxGroupAttribute This attribute declares a toolbox group which will be created on toolbox initialization.
Public class ProvideStaticToolboxItemAttribute This attribute declares a toolbox item which the toolbox will read from the registry. See the comments on IVsToolboxItemProvider for more details.
Public class ProvideToolboxFormatAttribute Apply this attribute to classes implementing VSPackages to declare that the VSPackage provides Toolbox items with the specified clipboard format and to enable drag-and-drop support in the Visual Studio Toolbox.
Public class ProvideToolboxItemConfigurationAttribute Registers a VSPackage as supplying a particular implementation of IConfigureToolboxItem. Used in conjunction with ProvideAssemblyFilterAttribute.
Public class ProvideToolboxItemDiscoveryAttribute Defines a toolbox item type. Toolbox item types are exposed as pages in the Choose Toolbox Items dialog (where one page is created for each type).
Public class ProvideToolboxItemsAttribute Apply this attribute to classes implementing VSPackages to declare if they offer a set of items to the Visual Studio Toolbox.
Public class ProvideToolboxPageAttribute Registers a VSPackage as providing one or more dialog pages in the Customize Toolbox dialog page of the Visual Studio IDE.
Public class ProvideToolWindowAttribute Notifies Visual Studio that a VSPackage owns a tool window.
Public class ProvideToolWindowVisibilityAttribute Maps a tool window to one or more UI contexts, so that the window is displayed when the user switches to one of those contexts and is hidden when the user switches away from one of the contexts.
Public class ProvideViewAttribute This attribute declares that an editor factory class offers a particular logical view.
Public class ProvideXmlEditorChooserBlockSxSWithXmlEditorAttribute Indicates that a custom XML designer should not allow Side-by-Side (SxS) editing with the standard text-based XML editor.
Public class ProvideXmlEditorChooserDesignerViewAttribute Provides registration information to the XML Chooser for a custom XML designer.
Public class ReadOnlyObservableSet<T> Provides the base class for a generic IReadOnlyObservableSet<T>.
Public class RegisterAutoLoadAttribute Obsolete. Registers the VSPackage as an extender that is automatically loaded in response to a particular context GUID. This class cannot be inherited.
Public class RegisterEditorExtensionAttribute Obsolete. See ProvideEditorExtensionAttribute. Registers a file extension with a given editor factory. This class cannot be inherited.
Public class RegisterEditorLogicalViewAttribute Obsolete. Adds a logical view to the editor created by an editor factory. This attribute has been deprecated. Please use ProvideEditorLogicalViewAttribute instead.
Public class RegisterExtenderAttribute Obsolete. Registers an extender with Visual Studio. This class cannot be inherited. This class is obsolete. Please use ProvideExtenderAttribute instead.
Public class RegisterLanguageExtensionAttribute Obsolete. Registers a file extension with a given language service by applying the attribute to a VSPackage when registered using a registration tool like regpkg.exe. For more information, see Registering VSPackages.
Public class RegisterLoadKeyAttribute Obsolete. This attribute registers a package load key for your package. This attribute has been deprecated.
Public class RegisterProjectItemAttribute Obsolete. RegisterProjectItemAttribute has been deprecated. Please use ProvideProjectItemAttribute instead
Public class RegistrationAttribute An abstract class for VSPackage registration. The RegistrationAttribute class allows new registration information to be added without changing the registration tools.
Public class RegistrationAttribute.Key Provides an abstract class that represents a registration key.
Public class RegistrationAttribute.RegistrationContext An abstract base class that provides context information from an external source to a registration attribute.
Public class RssCommands Provides the routed commands supported by the Visual Studio shell RSS feed reader.
Public class RunningDocumentTable Provides access to the running document table (RDT) that tracks all currently opened documents in Visual Studio.
Public class SelectionContainer Provides a unified interface for accessing a set of selected objects.
Public class ServiceCollection<T> Represents a collection of services.
Public class ServiceProvider Provides a unified service provider for managed VSPackages.
Public class ServiceProviderHierarchy Acts as a hierarchical service provider.
Public class ServiceProviderHierarchyOrder Provides a recommended service resolution order for common service providers. When multiple service providers are combined in a service provider hierarchy, they are given a numeric ordering.
Public class SettableOleDataObject Represents an OLE-compatible data object.
Public class SingleFileGeneratorSupportRegistrationAttribute Creates the ProjectTypeGuid key under $RegRoot$\Generators. This registration attribute is used by project systems that support single file generators.
Public class SingleTaskIdleManager Executes a long-running operation at idle priority on the UI thread. To support yielding frequently, the operation should return null as frequently as possible to allow the component manager to schedule other tasks and yield to higher-priority operations.The task is executed repeatedly until SingleTaskIdleManager is disposed.
Public class SolutionPersistenceRegistrationAttribute Adds a solution persistence property name and related GUID.
Public class SolutionTreeFilterProviderAttribute Provides information for displaying the Solution Explorer filter.
Public class Task An implementation of IVsTaskItem, used to modify the appearance and functionality of a task in the task list.
Public class TaskProvider This class implements IVsTaskProvider. It provides a framework-friendly way to define a task provider and its associated services.
Public class TaskProvider.TaskCollection A container for Task objects.
Public class TaskSchedulingException Exception raised when task scheduling failed and could not be retried.
Public class ThemeResourceKey Represents a key used in a Resource Dictionary for accessing theme color resources. Theme color resources include brushes and colors associated with a given color category and color name.
Public class ThreadHelper Provides a generic dispatcher helper to ensure that a method is invoked on the application's main thread.
Public class ToolWindowPane A default implementation for a tool window. It can be subclassed to implement a customized tool window.
Public class UIContext Represents the active state of a UI context.
Public class UIContextChangedEventArgs Event arguments for the UIContextChanged event.
Public class UIElementDialogPage Provides seamless hosting of Windows Presentation Foundation (WPF) content inside a native dialog running an IsDialogMessage-style message loop. This class enables tabbing into and out of the WPF child window handle (HWND), and enables keyboard navigation within the WPF child HWND.
Public class Url Wraps the Uri class. Provides an unescaped version of LocalPath for file URL types and AbsoluteUri for HTTP URL types. Also returns an unescaped result from MakeRelativeUri so that it can be presented to the user.
Public class ValueTokenizer Keeps a list of tokens, and values that correspond to those tokens. This class is used to tokenize and untokenize a given string.
Public class VsBrushes Class used to map between __VSSYSCOLOREX identifiers (used by GetVSSysColorEx) and keys used by WPF ResourceDictionary objects. The keys provided by this class can be used to reference Brush instances that Visual Studio places in Resources.
Public class VsColors Maps between __VSSYSCOLOREX identifiers (as used by GetVSSysColorEx and keys used by Windows Presentation Foundation ResourceDictionary objects.
Public class VSCommands Provides the routed commands supported by the Visual Studio shell.
Public class VsEnumerable<TComEnumerator, TComEnumerated> Base class for Visual Studio-style enumerators using Visual Studio 2010 and older enumerator interfaces that use PreserveSig.
Public class VsEnumerable<TComEnumerator, TComEnumerated, TEnumerated> Represents a Visual Studio-style enumeration of TComEnumerated objects created from an enumeration of TEnumerated.Base class for Visual Studio-style enumerators using Visual Studio 2010 and older enumerator interfaces that use PreserveSig.
Public class VsEnumerableEx<TComEnumerator, TComEnumerated> Base class for Visual Studio COM enumerators using Visual Studio 2012 and later enumerator interfaces that do not use PreserveSig.
Public class VsMenus Includes the GUIDs for Visual Studio menu commands.
Public class VSRegistry Provides utility functions for discovering the registry hive under which Visual Studio is currently running.
Public class VsResourceKeys Exposes Windows Presentation Foundation (WPF) resource keys for Style and ControlTemplate values that apply to common WPF controls.
Public class VsSearchTask Base class for implementing search tasks used by search-able tool windows.
Public class VsServiceProviderWrapper Wraps a service provider instance. The class can be used to expose a SVsServiceProvider value to a Managed Extensibility Framework composition container.
Public class VsShellUtilities Provides static helper methods to use with the Visual Studio shell.
Public class VsTaskLibraryHelper Supplies helper methods for using the Visual Studio task library in managed code.
Public class WAProvideLanguagePropertyAttribute
Public class WAProvideProjectFactoryAttribute
Public class WAProvideProjectFactoryTemplateMappingAttribute
Public class WebSiteProjectAttribute Adds a project subtype to the existing list of defined project subtypes for the Web Site Project.
Public class WebSiteProjectRelatedFilesAttribute Allows the Web Site Project to nest one file type (related) under another file type (primary) in the solution explorer.
Public class WindowPane Represents a Visual Studio window pane.


Structure Description
Public structure RunningDocumentInfo Represents information about a document in the RunningDocumentTable. It includes all the information returned by GetDocumentInfo.


Interface Description
Public interface IComEnumeratorRelay<TComEnumerator, TEnumerated> Provides typed enumeration methods.
Public interface IConfigureToolboxItem Provides the ability to configure ToolboxItem objects dynamically by adding additional data to the toolbox item's Properties dictionary. This data is then serialized as a permanent part of the toolbox item.
Public interface IFilteredHierarchyItemSet Provides a flattened list of hierarchy items that represents all items in the hierarchy, and raises events when items are added to or removed from the hierarchy.
Public interface IInstalledToolboxItemInfo Supplies information about an existing toolbox item.
Public interface IMenuCommandInvokeEx Helps to invoke menu commands.
Public interface IOleMenuCommand Represents an OLE menu command.
Public interface IProfileManager Interface implemented by classes supporting VSPackages by persisting their state information through the Visual Studio settings mechanism.
Public interface IProfileMigrator Supports the migration of user settings from one version of Visual Studio to another.
Public interface IReadOnlyObservableSet Provides a heterogeneous collection of objects (non-type safe).
Public interface IReadOnlyObservableSet<T> Provides a homogeneous collection of objects of type T.
Public interface IResXResourceService An abstraction layer that lets clients control the resx readers and writers used within Visual Studio.
Public interface ISelectedGraphNode Holds a reference to a selected GraphNode.
Public interface ISolutionSearchOptions Represents the options a search provider should use when providing search results for a search of the solution.
Public interface ISolutionSearchParameters Represents the parameters required to provide search results for a search of the solution.
Public interface ISolutionTreeFilter A filter that controls a collection of items that should be included in the filtered tree.
Public interface ISolutionTreeFilterProvider Factory used to create an ISolutionTreeFilter. ISolutionTreeFilter provides a list of included items that should be placed in the tree.
Public interface ISupportDisposalNotification Represents an object that may become disposed, and that can notify listeners of changes to the disposal state.
Public interface IToolboxAppDomainControl Controls the creation of the application domain in which the client’s IToolboxItemDiscovery implementation is created.
Public interface IToolboxAssemblyInfo Supplies information about an assembly.
Public interface IToolboxExtensionsSdkInfo Supplies information about an extension SDK.
Public interface IToolboxExtensionsSdkType Represents a managed type from an extension SDK.
Public interface IToolboxItemCreator Creates new toolbox items and supplies information about existing toolbox items.
Public interface IToolboxItemDiscovery Provides information about managed types from which toolbox items could be created.
Public interface IToolboxItemDiscoveryFactory Creates various objects required for integration with the Choose Toolbox Items dialog.
Public interface IToolboxItemInfo Supplies information about a managed type from which a toolbox item can be created.
Public interface IToolboxPlatformInfo Supplies information about a platform (such as Windows 8).
Public interface IToolboxPlatformType Represents a managed type with an associated platform. Other interfaces derive from this interface to add additional metadata.
Public interface IToolboxType Represents a simple managed type. Other interfaces derive from this interface to add additional metadata.
Public interface IVsHierarchyItem Contains instance property information for a single item in an IVsUIHierarchyWindow.
Public interface IVsHierarchyItemCollectionProvider Provides a read-only collection of hierarchy items that represent a subset of all hierarchy items under a specified hierarchy.
Public interface IVsHierarchyItemIdentity Contains the information necessary to define an item in an IVsUIHierarchyWindow.
Public interface IVsHierarchyItemManager Accesses the data model used by an IVsUIHierarchyWindow (like the Solution Explorer).
Public interface IVsTaskEvents Notifies clients of changes made to tasks.
Public interface IVsToolboxItemDiscoveryRegistrar Defines a toolbox item type. You can get an instance of the interface from the SVsToolboxItemDiscoveryRegistrar service.
Public interface SVsServiceProvider Represents a Visual Studio service provider.
Public interface SVsToolboxItemDiscoveryRegistrar Passed to GetService to return a reference to the IVsToolboxItemDiscoveryRegistrar interface.


Delegate Description
Public delegate OnIdleHandler A delegate used by the SingleTaskIdleManager class. When you create an instance of the SingleTaskIdleManager class, you pass in this delegate, which is then called at idle time.
Public delegate VsInvokableAsyncFunction<T> Used by the asynchronous task library helper to take an IVsTaskCompletionSource and return a Task Parallel Library (TPL) task.
Public delegate VsTaskBodyCallback Used by the asynchronous task library helper as the method type for a task body (what the task executes). Users of the library can either pass in this delegate type directly or use one of the wrapper methods that wraps simpler anonymous functions to this delegate type.


Enumeration Description
Public enumeration CloseResult Specifies the results of the close operation.
Public enumeration CommonMessagePumpExitCode Represents exit codes that are possible for CommonMessagePump.
Public enumeration DialogPage.ApplyKind An enumeration that describes dialog page apply behavior.
Public enumeration FilterDescendantBehavior Specifies the descendant behavior when including items in a filtered tree.
Public enumeration LogicalView This enumeration lists the supported logical views.
Public enumeration ProfileMigrationType Specifies the migration action in MigrationType and ProfileMigrationType.
Public enumeration QueryCloseResult Specifies the results of the query and close operation.
Public enumeration RegistrationMethod Specifies how the assembly should be registered or located.
Public enumeration TaskCategory Provides a set of task categories that specify the kind of task that is to be performed.
Public enumeration TaskErrorCategory Represents a collection of values that identify types or severity of error messages that can appear in the Error List Options task window.
Public enumeration TaskPriority Provides values for task priorities.
Public enumeration ThemeResourceKeyType Specifies the type of resource being referenced by a ThemeResourceKey.
Public enumeration ToolWindowOrientation This enumeration provides a number of possible tool window orientations with respect to a docking window.
Public enumeration UnlockResult Specifies the results of the unlock operation.
Public enumeration VsDockStyle Defines constants for tool window orientation.
Public enumeration VsFrameMode Controls the display mode of a tool window.
Public enumeration VsFramePropID Specifies property identifiers for window frames, document frames, and tool window frames.
Public enumeration VsHierarchyPropID Specifies the property identifiers associated with the property settings for a hierarchy.
Public enumeration VsQueryEditFlags
Public enumeration VsQueryRemoveDirectoryFlags Specifies the flags associated with QueryRemoveDirectory.
Public enumeration VsQueryRemoveFileFlags Specifies the flags associated with QueryRemove.
Public enumeration VsQuerySaveFlags
Public enumeration VsRdtFlags Specifies options for a document in the running document table (RDT).
Public enumeration VsRdtSaveOptions Specifies save options for a document in the running document table (RDT).
Public enumeration VsRemoveDirectoryFlags Specifies the flags used by OnAfterRemoveDirectories.
Public enumeration VsRemoveFileFlags Specifies the flags used in OnAfterRemoveFiles.
Public enumeration VsSolutionPropID Identifies property settings for a solution.
Public enumeration VsTaskContinuationOptions Specifies the task’s continuation options.
Public enumeration VsTaskCreationOptions Specifies the options for creating a task.
Public enumeration VsTaskRunContext Specifies how the task is run.
Public enumeration VsTaskWaitOptions Specifies the options for task wait operations.
Protected enumeration WindowPane.PaneInitializationMode Represents the possible initialization states for a WindowPane object.