private IEnumerable <FreeDocument> GetEntities2( string tableName, int mount = -1, int skip = 0) { TableInfo table = null; LastFileName = tableName; List <string> fileNames = new List <string>(); if (tableName == openfile && MainDescription.IsUIForm) { var ofd2 = new OpenFileDialog(); ofd2.DefaultExt = "*"; ofd2.Filter = FileConnector.GetDataFilter(); ofd2.Multiselect = true; if (ofd2.ShowDialog() == true) { fileNames.AddRange(ofd2.FileNames); } } else { table = TableNames.Collection.FirstOrDefault(d => d.Name == tableName); if (table != null) { if ((File.Exists(table.Description) == false)) { CurrentTables.Remove(table); TableNames.InformPropertyChanged("Collection"); return(new List <FreeDocument>()); } fileNames.Add(table.Description); } } if (fileNames.Count() == 1) { var filename = fileNames.FirstOrDefault(); LastFileName = Path.GetFileName(filename); table = AddTable(LastFileName, filename); } return(fileNames.SelectMany(d => { var connector = FileConnector.SmartGetExport(d); var tableConnector2 = connector as FileConnectorTable; if (tableConnector2 != null) { tableConnector2.EncodingType = this.EncodingType; } if (mount > 0) { return connector.ReadFile().Skip(skip).Take(mount); } return connector.ReadFile().Skip(skip); })); }