public static void ConvertPptToPath()
{
string name = "convertPptToPath.pptx";
string format = ExportFormat.Pptx.ToString(); // Odp、PPT、PPtx、PPS、PPSx、Pdf、Xps
ExportOptions options = null;
string password = null;
string storage = null;
string folder = "input";
string destFilePath = "output/convertPptToPath_out.pptx";
documentApi.ConvertPptToPath(name, destFilePath, format, options, password, storage, folder);
}