Example #1
0
        public int OnBeforeDocumentWindowShow(uint docCookie, int fFirstShow, IVsWindowFrame pFrame)
        {
            // Check if this document is in the list of the documents.
            if (_documents.ContainsKey(docCookie)) {
                return VSConstants.S_OK;
            }
            // Get the information about this document from the RDT.
            IVsRunningDocumentTable rdt = GetPackageService(typeof(SVsRunningDocumentTable)) as IVsRunningDocumentTable;
            if (null != rdt) {
                // Note that here we don't want to throw in case of error.
                uint flags;
                uint readLocks;
                uint writeLoks;
                string documentMoniker;
                IVsHierarchy hierarchy;
                uint itemId;
                IntPtr unkDocData;
                int hr = rdt.GetDocumentInfo(docCookie, out flags, out readLocks, out writeLoks,
                                             out documentMoniker, out hierarchy, out itemId, out unkDocData);
                try {
                    if (Microsoft.VisualStudio.ErrorHandler.Failed(hr) || (IntPtr.Zero == unkDocData)) {
                        return VSConstants.S_OK;
                    }
                    // Check if the herarchy is one of the hierarchies this service is monitoring.
                    if (!_hierarchies.ContainsKey(hierarchy)) {
                        // This hierarchy is not monitored, we can exit now.
                        return VSConstants.S_OK;
                    }

                    // Check the file to see if a listener is required.
                    if (_package.IsRecognizedFile(documentMoniker)) {
                        return VSConstants.S_OK;
                    }

                    // Create the module id for this document.
                    ModuleId docId = new ModuleId(hierarchy, itemId);

                    // Try to get the text buffer.
                    IVsTextLines buffer = Marshal.GetObjectForIUnknown(unkDocData) as IVsTextLines;

                    // Create the listener.
                    TextLineEventListener listener = new TextLineEventListener(buffer, documentMoniker, docId);
                    // Set the event handler for the change event. Note that there is no difference
                    // between the AddFile and FileChanged operation, so we can use the same handler.
                    listener.OnFileChanged += new EventHandler<HierarchyEventArgs>(OnNewFile);
                    // Add the listener to the dictionary, so we will not create it anymore.
                    _documents.Add(docCookie, listener);
                } finally {
                    if (IntPtr.Zero != unkDocData) {
                        Marshal.Release(unkDocData);
                    }
                }
            }
            // Always return success.
            return VSConstants.S_OK;
        }
Example #2
0
        public int OnBeforeDocumentWindowShow(uint docCookie, int fFirstShow, IVsWindowFrame pFrame)
        {
            // Check if this document is in the list of the documents.
            if (_documents.ContainsKey(docCookie))
            {
                return(VSConstants.S_OK);
            }
            // Get the information about this document from the RDT.
            IVsRunningDocumentTable rdt = GetPackageService(typeof(SVsRunningDocumentTable)) as IVsRunningDocumentTable;

            if (null != rdt)
            {
                // Note that here we don't want to throw in case of error.
                uint         flags;
                uint         readLocks;
                uint         writeLoks;
                string       documentMoniker;
                IVsHierarchy hierarchy;
                uint         itemId;
                IntPtr       unkDocData;
                int          hr = rdt.GetDocumentInfo(docCookie, out flags, out readLocks, out writeLoks,
                                                      out documentMoniker, out hierarchy, out itemId, out unkDocData);
                try {
                    if (Microsoft.VisualStudio.ErrorHandler.Failed(hr) || (IntPtr.Zero == unkDocData))
                    {
                        return(VSConstants.S_OK);
                    }
                    // Check if the herarchy is one of the hierarchies this service is monitoring.
                    if (!_hierarchies.ContainsKey(hierarchy))
                    {
                        // This hierarchy is not monitored, we can exit now.
                        return(VSConstants.S_OK);
                    }

                    // Check the file to see if a listener is required.
                    if (_package.IsRecognizedFile(documentMoniker))
                    {
                        return(VSConstants.S_OK);
                    }

                    // Create the module id for this document.
                    ModuleId docId = new ModuleId(hierarchy, itemId);

                    // Try to get the text buffer.
                    IVsTextLines buffer = Marshal.GetObjectForIUnknown(unkDocData) as IVsTextLines;

                    // Create the listener.
                    TextLineEventListener listener = new TextLineEventListener(buffer, documentMoniker, docId);
                    // Set the event handler for the change event. Note that there is no difference
                    // between the AddFile and FileChanged operation, so we can use the same handler.
                    listener.OnFileChanged += new EventHandler <HierarchyEventArgs>(OnNewFile);
                    // Add the listener to the dictionary, so we will not create it anymore.
                    _documents.Add(docCookie, listener);
                } finally {
                    if (IntPtr.Zero != unkDocData)
                    {
                        Marshal.Release(unkDocData);
                    }
                }
            }
            // Always return success.
            return(VSConstants.S_OK);
        }