public static IWorkspaceName BrowseWorkspace(int hwnd,out IWorkspace ws){IGxObjectFilterCollection ipFilters = new GxDialogClass();//IGxObjectFilter ipFilter1 = new GxFilterFeatureDatasetsClass();  //要素数据集 ,导出时,IFeatureClassConverter对象无法写入Dataset中,此处隐藏掉//ipFilters.AddFilter(ipFilter1,false);IGxObjectFilter ifilt2 = new GxFilterWorkspacesClass();  //数据库工作空间,此类比较含糊,不知道具体指啥ipFilters.AddFilter(ifilt2,false);IGxObjectFilter ipFilter3 = new GxFilterFileFolderClass();  //文件工作空间ipFilters.AddFilter(ipFilter3,false);IGxDialog pGDialog = (IGxDialog)ipFilters;pGDialog.RememberLocation = true;pGDialog.Title = "请选择工作空间";pGDialog.AllowMultiSelect = false;IEnumGxObject pResultEnum = null;//IWorkspace ws = null;ws = null;IWorkspaceName wsn = null;if (pGDialog.DoModalOpen(hwnd, out pResultEnum) && pResultEnum != null){IGxObject gxObj = pResultEnum.Next();if (gxObj is IGxDatabase){IGxDatabase gxDB = gxObj as IGxDatabase;if (gxDB != null){ws = gxDB.Workspace;wsn = gxDB.WorkspaceName;}  }else if (gxObj is IGxFolder){//Todo: figure out how to decide which workspace to get for// a particular folder (shapefile, raster etc.)                    //IEnumName enumName = ((IGxFolder)gxObj).FileSystemWorkspaceNames;// for now just assume we want a shapefile ...IWorkspaceFactory wsf = new ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactoryClass();ws = wsf.OpenFromFile(((IGxFile)gxObj).Path, hwnd);IDataset pOutDataset = ws as IDataset;wsn = pOutDataset.FullName as IWorkspaceName;}else if (gxObj is IGxDataset){//如果是数据集工作空间IGxDataset gxDs = gxObj as IGxDataset;if (gxDs != null){ws = gxDs.Dataset.Workspace;wsn = gxDs.DatasetName.WorkspaceName;}}Marshal.FinalReleaseComObject(pResultEnum);}pGDialog.InternalCatalog.Close();Marshal.FinalReleaseComObject(pGDialog);return wsn;}