public void FiletoStream(Google.Apis.Drive.v3.Data.File x, string name) { bool doesExist = System.IO.File.Exists(DependencyService.Get <ISave>().GetFileName() + "/" + name); if (doesExist) { FileStream inputStream = new FileStream(DependencyService.Get <ISave>().GetFileName() + "/" + name, FileMode.Open); FilesResource bung = new FilesResource(driver); bung.Update(x, x.Id, inputStream, "application/vnd.ms-excel").Upload(); //bung.Create(x,inputStream, "application/msexcel").Upload(); Application.Current.Properties["Boff"] += "Uploaded: " + x.Name; inputStream.Close(); } }