114if (!IsOpen) 129if (IsOpen) 139if (!IsOpen) 146if (!IsOpen) 158if (!IsOpen) 169if (!IsOpen) 187if (!IsOpen) 197if (!IsOpen) 212if (IsOpen) 226if (IsOpen) 236if (!IsOpen) 246if (IsOpen) 253if (IsOpen) 301if (IsOpen) 338if (IsOpen) 349if (IsOpen) 370if (IsOpen) 387if (IsOpen) 406if (IsOpen) 428if (IsOpen) 442if (IsOpen) 449if (IsOpen) 468if (IsOpen) 485if (IsOpen) 504if (IsOpen) 563if (IsOpen) 576if (!IsOpen) 584if (!IsOpen) 595if (IsOpen) 623if (!IsOpen) 669if (!IsOpen) 684Debug.Assert(IsOpen, "ReadOneChar - port not open"); 764if (!IsOpen) 780Debug.Assert(IsOpen, "port not open!"); 944if (!IsOpen) 955if (!IsOpen) 1021if (!IsOpen) 1139if (!IsOpen) 1155if (!IsOpen) 1175if (!IsOpen)