118if (!IsOpen) 135if (IsOpen) 147if (!IsOpen) 154if (!IsOpen) 168if (!IsOpen) 181if (!IsOpen) 199if (!IsOpen) 211if (!IsOpen) 230if (IsOpen) 247if (IsOpen) 259if (!IsOpen) 271if (IsOpen) 278if (IsOpen) 332if (IsOpen) 377if (IsOpen) 391if (IsOpen) 422if (IsOpen) 439if (IsOpen) 462if (IsOpen) 488if (IsOpen) { 504if (IsOpen) 511if (IsOpen) 534if (IsOpen) 551if (IsOpen) 573if (IsOpen) 644if (IsOpen) { 655if (!IsOpen) 663if (!IsOpen) 828if (IsOpen) 855if (!IsOpen) 900if (!IsOpen) 915Debug.Assert(IsOpen, "ReadOneChar - port not open"); 991if (!IsOpen) 1007Debug.Assert(IsOpen, "port not open!"); 1168if (!IsOpen) 1179if (!IsOpen) 1227if (!IsOpen) 1338if (!IsOpen) 1353if (!IsOpen) 1374if (!IsOpen)