Classes
| Class | Description | |
|---|---|---|
| .gif) | ErrorHandler | Provides methods for dealing with common COM error codes. | 
| .gif) | VSConstants | Use this class to access common Visual Studio constants. | 
| .gif) | VSConstants.CATID | |
| .gif) | VSConstants.CLSID | |
| .gif) | VSConstants.CMDSETID | |
| .gif) | VSConstants.ComponentSelectorPageGuid | |
| .gif) | VSConstants.DebugEnginesGuids | |
| .gif) | VSConstants.EditPropyCategoryGuid | |
| .gif) | VSConstants.ItemTypeGuid | |
| .gif) | VSConstants.LOGVIEWID | |
| .gif) | VSConstants.OutputWindowPaneGuid | |
| .gif) | VSConstants.ToolboxMultitargetingFields | Toolbox multitargeting fields. | 
| .gif) | VSConstants.UICONTEXT | |
| .gif) | VSConstants.VsDependencyTypeGuid | |
| .gif) | VSConstants.VsEditorFactoryGuid | |
| .gif) | VSConstants.VsLanguageServiceGuid | |
| .gif) | VSConstants.VsLanguageUserDataGuid | |
| .gif) | VSConstants.VsPackageGuid | |
| .gif) | VSConstants.VsTaskListView | |
| .gif) | VSConstants.VsTextBufferUserDataGuid | |
| .gif) | VSConstants.WellKnownToolboxStringMaps | |
| .gif) | Win32Methods | Imports some Win32 window management functions. | 
Interfaces
| Interface | Description | |
|---|---|---|
| .gif) | IEventHandler | Provides the methods necessary to add, remove, and test for the existence of handlers in an event handler collection. | 
Enumerations
| Enumeration | Description | |
|---|---|---|
| .gif) | VSConstants.AppCommandCmdID | |
| .gif) | VSConstants.CEF | |
| .gif) | VSConstants.SelectionElement | IVsSelectionEvents.OnElementValueChanged flags. | 
| .gif) | VSConstants.VSITEMID | Special items inside a VsHierarchy. | 
| .gif) | VSConstants.VSSELELEMID | Constants used in IVsSelectionEvents to indicate a new selection state. The selections may be propagated through OnElementValueChanged. | 
| .gif) | VSConstants.VSStd2010CmdID | Set of the standard, shared commands in CMDSETID.StandardCommandSet2010_guid | 
| .gif) | VSConstants.VSStd2KCmdID | These constants make some basic menu commands available to managed code. | 
| .gif) | VSConstants.VSStd97CmdID | These constants make some basic menu commands available to managed code. | 
| .gif) | VSConstants.VsUIHierarchyWindowCmdIds | An enumeration of commands that apply to events unique to the IVsUIHierarchyWindow. |