C# IVsTextLines.SetLanguageServiceID方法代码示例

        protected override void InitializeLanguageService(IVsTextLines textLines)
        {
            var userData = textLines as IVsUserData;
            if (userData == null) return;
            var langSid = typeof(PowerShellLanguageInfo).GUID;
            if (langSid == Guid.Empty) return;

            var vsCoreSid = new Guid("{8239bec4-ee87-11d0-8c98-00c04fc2ab22}");
            Guid currentSid;
            ErrorHandler.ThrowOnFailure(textLines.GetLanguageServiceID(out currentSid));
            // If the language service is set to the default SID, then
            // set it to our language
            if (currentSid == vsCoreSid)
            {
                ErrorHandler.ThrowOnFailure(textLines.SetLanguageServiceID(ref langSid));
            }
            else if (currentSid != langSid)
            {
                // Some other language service has it, so return VS_E_INCOMPATIBLEDOCDATA
                throw new COMException("Incompatible doc data", VSConstants.VS_E_INCOMPATIBLEDOCDATA);
            }

            var bufferDetectLang = VSConstants.VsTextBufferUserDataGuid.VsBufferDetectLangSID_guid;
            ErrorHandler.ThrowOnFailure(userData.SetData(ref bufferDetectLang, false));
        }

        protected void InitializeLanguageService(IVsTextLines textLines, Guid langSid) {
            IVsUserData userData = textLines as IVsUserData;
            if (userData != null) {
                if (langSid != Guid.Empty) {
                    Guid vsCoreSid = Guids.DefaultLanguageService;
                    Guid currentSid;
                    ErrorHandler.ThrowOnFailure(textLines.GetLanguageServiceID(out currentSid));
                    // If the language service is set to the default SID, then
                    // set it to our language
                    if (currentSid == vsCoreSid) {
                        ErrorHandler.ThrowOnFailure(textLines.SetLanguageServiceID(ref langSid));
                    } else if (currentSid != langSid) {
                        // Some other language service has it, so return VS_E_INCOMPATIBLEDOCDATA
                        throw new COMException("Incompatible doc data", VSConstants.VS_E_INCOMPATIBLEDOCDATA);
                    }

                    Guid bufferDetectLang = VSConstants.VsTextBufferUserDataGuid.VsBufferDetectLangSID_guid;
                    ErrorHandler.ThrowOnFailure(userData.SetData(ref bufferDetectLang, false));
                }
            }
        }

        /// <summary>
        /// Creates a new ConsoleWindow object.
        /// This constructor uses the service provider passed as an argument to create and initialize
        /// the text buffer.
        /// </summary>
        public ConsoleWindow(IServiceProvider provider)
            : base(null)
        {
            if (null == provider)
                throw new ArgumentNullException("provider");
            globalProvider = provider;

            // Create the text buffer.
            textLines = (IVsTextLines)CreateObject(typeof(VsTextBufferClass), typeof(IVsTextLines));
            // Get a reference to the global service provider.
            IOleServiceProvider nativeProvider = (IOleServiceProvider)globalProvider.GetService(typeof(IOleServiceProvider));
            // The text buffer must be sited with the global service provider.
            ((IObjectWithSite)textLines).SetSite(nativeProvider);
            // Set the buffer as read-only. The user should be able to change the content of the
            // buffer only if the engine is started.
            uint flags;
            Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
                textLines.GetStateFlags(out flags));
            flags |= (uint)Microsoft.VisualStudio.TextManager.Interop.BUFFERSTATEFLAGS.BSF_USER_READONLY;
            Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
                textLines.SetStateFlags(flags));

            // Set the GUID of the language service that will handle this text buffer
            Guid languageGuid = typeof(PythonLanguage).GUID;
            Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
                textLines.SetLanguageServiceID(ref languageGuid));

            // Initialize the history
            history = new HistoryBuffer();

            // Create the stream on top of the text buffer.
            textStream = new TextBufferStream(textLines);

            // Initialize the engine.
            InitializeEngine();

            // Set the title of the window.
            this.Caption = Resources.ToolWindowTitle;

            // Set the icon of the toolwindow.
            this.BitmapResourceID = 301;
            this.BitmapIndex = 0;
        }