C#.net小票打印并行

C#.net小票打印并行 [DllImport("kernel32.dll", EntryPoint = "CreateFile", CharSet = CharSet.Auto)] private static extern IntPtr CreateFile(string lpFileName, uint dwDesiredAccess, int dwShareMode, int lpSecurityAttributes, int dwCreationDisposition, int dwFlagsAndAttributes, int hTemplateFile);