public void NotifyChanges() { if (_serviceProvider == null) { return; } // Get a reference to the Running Document Table IVsRunningDocumentTable runningDocTable = (IVsRunningDocumentTable)_serviceProvider.GetService(typeof(SVsRunningDocumentTable)); // Lock the document uint docCookie; IVsHierarchy hierarchy; uint itemID; IntPtr docData; int hr = runningDocTable.FindAndLockDocument( (uint)_VSRDTFLAGS.RDT_ReadLock, base.Name, out hierarchy, out itemID, out docData, out docCookie ); ErrorHandler.ThrowOnFailure(hr); IVsUIShell shell = _serviceProvider.GetService(typeof(IVsUIShell)) as IVsUIShell; if (shell != null) { shell.UpdateDocDataIsDirtyFeedback(docCookie, (_dirty == true) ? 1 : 0); } // Unlock the document. // Note that we have to unlock the document even if the previous call failed. runningDocTable.UnlockDocument((uint)_VSRDTFLAGS.RDT_ReadLock, docCookie); // Check ff the call to NotifyDocChanged failed. //ErrorHandler.ThrowOnFailure(hr); }