enum _t_TPDFPageSize {
  psLetter = 0,
  psA4,
  psA3,
  psLegal,
  psB5,
  psC5,
  ps8x11,
  psB4,
  psA5,
  psFolio,
  psExecutive,
  psEnvB4,
  psEnvB5,
  psEnvC6,
  psEnvDL,
  psEnvMonarch,
  psEnv9,
  psEnv10,
  psEnv11
};