Пример #1
0
        int IPersistFileFormat.Load([CanBeNull] string pszFilename, uint grfMode, int fReadOnly)
        {
            // A valid file name is required.
            if ((pszFilename == null) && ((fileName == null) || (fileName.Length == 0)))
            {
                throw new ArgumentNullException(@"pszFilename");
            }

            loading = true;
            var hr = VSConstants.S_OK;

            try
            {
                // If the new file name is null, then this operation is a reload
                var isReload = false;
                if (pszFilename == null)
                {
                    isReload = true;
                }

                // Show the wait cursor while loading the file
                VsUIShell.SetWaitCursor();

                // Set the new file name
                if (!isReload)
                {
                    // Unsubscribe from the notification of the changes in the previous file.
                    fileName = pszFilename;
                }

                // Load the file
                LoadFile(fileName);
                isDirty = false;

                // Notify the load or reload
                NotifyDocChanged();
            }
            finally
            {
                loading = false;
            }

            return(hr);
        }
Пример #2
0
        int IVsPersistDocData.SaveDocData(VSSAVEFLAGS dwSave, [CanBeNull] out string pbstrMkDocumentNew, out int pfSaveCanceled)
        {
            pbstrMkDocumentNew = null;
            pfSaveCanceled     = 0;
            int hr;

            switch (dwSave)
            {
            case VSSAVEFLAGS.VSSAVE_Save:
            case VSSAVEFLAGS.VSSAVE_SilentSave:
            {
                var queryEditQuerySave = (IVsQueryEditQuerySave2)GetService(typeof(SVsQueryEditQuerySave));

                // Call QueryEditQuerySave
                uint result;
                hr = queryEditQuerySave.QuerySaveFile(fileName,    // filename
                                                      0,           // flags
                                                      null,        // file attributes
                                                      out result); // result

                if (ErrorHandler.Failed(hr))
                {
                    return(hr);
                }

                // Process according to result from QuerySave
                switch ((tagVSQuerySaveResult)result)
                {
                case tagVSQuerySaveResult.QSR_NoSave_Cancel:

                    // Note that this is also case tagVSQuerySaveResult.QSR_NoSave_UserCanceled because these
                    // two tags have the same value.
                    pfSaveCanceled = ~0;
                    break;

                case tagVSQuerySaveResult.QSR_SaveOK:

                    // Call the shell to do the save for us
                    hr = VsUIShell.SaveDocDataToFile(dwSave, this, fileName, out pbstrMkDocumentNew, out pfSaveCanceled);
                    if (ErrorHandler.Failed(hr))
                    {
                        return(hr);
                    }

                    break;

                case tagVSQuerySaveResult.QSR_ForceSaveAs:

                    // Call the shell to do the SaveAS for us
                    hr = VsUIShell.SaveDocDataToFile(VSSAVEFLAGS.VSSAVE_SaveAs, this, fileName, out pbstrMkDocumentNew, out pfSaveCanceled);
                    if (ErrorHandler.Failed(hr))
                    {
                        return(hr);
                    }

                    break;

                case tagVSQuerySaveResult.QSR_NoSave_Continue:

                    // In this case there is nothing to do.
                    break;

                default:
                    throw new COMException();
                }

                break;
            }

            case VSSAVEFLAGS.VSSAVE_SaveAs:
            case VSSAVEFLAGS.VSSAVE_SaveCopyAs:
            {
                // Make sure the file name as the right extension
                if (string.Compare(FileExtensionUsed, Path.GetExtension(fileName), true, CultureInfo.CurrentCulture) != 0)
                {
                    fileName += FileExtensionUsed;
                }

                // Call the shell to do the save for us
                hr = VsUIShell.SaveDocDataToFile(dwSave, this, fileName, out pbstrMkDocumentNew, out pfSaveCanceled);
                if (ErrorHandler.Failed(hr))
                {
                    return(hr);
                }

                break;
            }

            default:
                throw new ArgumentException();
            }

            return(VSConstants.S_OK);
        }