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LanguageService Members

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This is the base class for a language service that supplies language features including syntax highlighting, brace matching, auto-completion, IntelliSense support, and code snippet expansion.

The LanguageService type exposes the following members.

Constructors

 

Name

Description

Protected method

LanguageService

Initializes a new instance of the LanguageService class.

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Methods

 

Name

Description

Public method

AbortBackgroundParse

Public method

AddCodeWindowManager

Adds a code window manager to the language service.

Public method

BeginInvoke

Invokes a method on another thread.

Public method

BeginParse

Starts a parse operation on a background thread.

Public method

CanStopThread

Public method

CreateCodeWindowManager

Instantiates a CodeWindowManager class.

Public method

CreateDocumentProperties

Instantiates a DocumentProperties class.

Public method

CreateDropDownHelper

Instantiates a TypeAndMemberDropdownBars class.

Public method

CreateExpansionFunction

Instantiates an ExpansionFunction class.

Public method

CreateExpansionProvider

Instantiates an ExpansionProvider class.

Public method

CreateParseRequest

Creates a request to satisfy the given reason for parsing that is then passed on to the parser.

Public method

CreateSource

Instantiates a Source class.

Public method

CreateViewFilter

Instantiates a ViewFilter class.

Public method

CurFileExtensionFormat

Returns the index into the file extension list that matches the extension of the specified file name.

Public method

DispatchCommand

Overloaded.

Public method

Dispose

Called when the language service object is being destroyed.

Public method

EndInvoke

Retrieves the result of an asynchronous call started by LanguageService.BeginInvoke.

Public method

Equals

Determines whether the specified Object is equal to the current Object. (Inherited from Object.)

Protected method

Finalize

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)

Public method

GetCodeWindowManager

Instantiates a CodeWindowManager class.

Public method

GetCodeWindowManagerForSource

Returns the CodeWindowManager object associated with the specified Source object.

Public method

GetCodeWindowManagerForView

Returns the CodeWindowManager associated with the specified IVsTextView object.

Public method

GetColorableItem

Returns the requested IVsColorableItem object.

Public method

GetColorizer

Overloaded. Returns a colorizer object.

Public method

GetFileExtensions

Returns a string containing the file extensions associated with this language.

Public method

GetFormatFilterList

Returns a list of file extension filters suitable for a Save As dialog box.

Public method

GetHashCode

Serves as a hash function for a particular type. (Inherited from Object.)

Public method

GetImageList

Returns an image list containing glyphs associated with the language service.

Public method

GetItemCount

Returns the number of custom colorable items supported by the language service.

Public method

GetIVsDebugger

Returns an IVsDebugger object representing the currently available debugger in order to listen for debugger events.

Public method

GetIVsTextMacroHelperIfRecordingOn

Returns an IVsTextMacroHelper object if macro recording is turned on.

Public method

GetLanguageID

Returns the language GUID of the language service.

Public method

GetLanguageName

Returns the name of the language this language service handles.

Public method

GetLanguagePreferences

Returns a LanguagePreferences object for this language service.

Public method

GetLanguageServiceGuid

Returns the GUID of the language service.

Public method

GetLocationOfName

Obsolete method that always returns E_NOTIMPL.

Public method

GetNameOfLocation

Returns the name of the enclosing element that contains the given position.

Public method

GetOrCreateSource

Public method

GetParseResult

Gets the result of the parse operation.

Public method

GetPrimaryViewForSource

Public method

GetProximityExpressions

Returns a list of expressions to be evaluated and shown in the Autos window, for a given span of lines.

Public method

GetScanner

Returns a single instantiation of a parser.

Public method

GetService

Returns a service object that can be cast to a specific interface.

Public method

GetSite

Returns an unmarshaled pointer to a requested interface.

Public method

GetSource

Overloaded. Return a Source object.

Public method

GetSources

Returns a collection of Source objects maintained by the language service.

Public method

GetType

Gets the type of the current instance. (Inherited from Object.)

Public method

Initialize

Called to initialize the language service.

Public method

Invoke

Called to invoke a task specified by the given delegate.

Public method

IsMacroRecordingOn

Called to determine if macro recording is turned on.

Public method

IsMappedLocation

Called to determine if the specified location in the given source file references code in another file.

Public method

IsSourceOpen

Determines whether or not the source file is open.

Protected method

MemberwiseClone

Creates a shallow copy of the current Object. (Inherited from Object.)

Public method

OnActiveViewChanged

Called when the current view has changed to a different view.

Public method

OnCaretMoved

Called when the caret has moved.

Protected method

OnChangesCommitted

Called when changes generated by an auto-complete or code snippet expansion operation is committed to the buffer.

Public method

OnCloseSource

Called to close the specified Source object.

Public method

OnIdle

Called when no other events need to be handled.

Public method

OnModeChange

Called whenever the debug mode has changed while debugging.

Public method

OnParseAborted

Public method

OnParseComplete

Called when a background parse has been completed.

Public method

OpenDocument

Opens the specified file.

Public method

ParseSource

Parses the source based on the specified ParseRequest object.

Public method

QueryInvalidEncoding

Determines if the specified source format is valid or not.

Public method

QueryService

Returns the request interface from the specified service.

Public method

RemoveCodeWindowManager

Called when the view associated with the specified CodeWindowManager is closed.

Public method

ResolveName

Returns a list of method names that match the given name modified by the specified flags.

Public method

ScrollToEnd

Overloaded. Update the view to show the end of the source file.

Public method

SetSite

Called to set or site the service provider for this language service.

Public method

SetUserContextDirty

Marks the user context as dirty in the specified source buffer.

Public method

SynchronizeDropdowns

Called to update a drop-down bar based on the current caret position.

Public method

ToString

Returns a string that represents the current object. (Inherited from Object.)

Public method

UpdateLanguageContext

Updates the current user help context in a selected region of the given source.

Public method

ValidateBreakpointLocation

Called to determine if the given location can have a breakpoint applied to it.

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Properties

 

Name

Description

Public property

InvokeRequired

Determines if a method must be invoked across a thread boundary.

Public property

IsActive

Determines whether the language service is connected to the current view and therefore is active.

Public property

IsDebugging

Determines if the debugger is active.

Public property

IsParsing

Determines if a background parse is in progress.

Public property

LastActiveTextView

Returns the last active text view associated with this language service.

Public property

MainThreadId

Returns the id of the thread this language service is running on.

Public property

Name

Returns the name of the language (for example, "C++" or "HTML").

Protected property

ParseThreadIsAlive

Public property

ParseThreadPaused

Public property

Preferences

Provides access to the language service preferences.

Public property

Site

Returns the service provider given to this language service.

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Explicit Interface Implementations

 

Name

Description

Explicit interface implemetationPrivate method

IVsFormatFilterProvider.CurFileExtensionFormat

Returns the index into the file extension list that matches the extension of the specified file name.

Explicit interface implemetationPrivate method

IVsFormatFilterProvider.GetFormatFilterList

Returns a list of file extension filters suitable for a Save As dialog box.

Explicit interface implemetationPrivate method

IVsFormatFilterProvider.QueryInvalidEncoding

Determines if the specified source format is valid or not.

Explicit interface implemetationPrivate method

IVsLanguageContextProvider.UpdateLanguageContext

Updates the current user help context given a selected region of the given source.

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See Also

Reference

LanguageService Class

Microsoft.VisualStudio.Package Namespace