DCB.DCBlength = sizeof(DCB); //0x1C
if (CommProp.dwSettableBaud & BAUD_9600)  //0x800
  DCB.BaudRate = CBR_9600; //9600
//DCB.XoffLim = 0x00080008;
DCB.XoffLim = 8;
DCB.ByteSize = 8;
DCB.Parity = NOPARITY;//0
//DCB.wReserved = 0x0200 0000;
DCB.XonLim = 0x200;
//DCB.StopBits = 0x0D131100;
DCB.StopBits = ONESTOPBIT;//0
DCB.XonChar = 0x11;
DCB.XoffChar = 0x13;
DCB.ErrorChar = 0x0D;
//DCB.EofChar = 0x00000D0D;
DCB.EofChar = 0x0D;
DCB.EvtChar = 0x0D;
DCB.wReserved1 = 0;
//DCB.fDummy2 = 0x00001011;
//1 0 0 0 0 0 0 01 0 0 0 1
/*
  DWORD fBinary  :1;                1
  DWORD fParity  :1;                0
  DWORD fOutxCtsFlow  :1;           0
  DWORD fOutxDsrFlow  :1;           0
  DWORD fDtrControl  :2;            01
  DWORD fDsrSensitivity  :1;        0
  DWORD fTXContinueOnXoff  :1;      0
  DWORD fOutX  :1;                  0
  DWORD fInX  :1;                   0
  DWORD fErrorChar  :1;             0
  DWORD fNull  :1;                  0
  DWORD fRtsControl  :2;            01
  DWORD fAbortOnError  :1;          0
  DWORD fDummy2  :17;
*/
DCB.fBinary = TRUE;
DCB.fDtrControl = DTR_CONTROL_ENABLE; //01
DCB.fRtsControl = RTS_CONTROL_ENABLE; //01

/*
_DCB            struc ; (sizeof=0x1C, standard type)
00000000 DCBlength       DCD 0x1C
00000004 BaudRate        DCD 9600
00000008 fDummy2         DCD 0x00001011
0000000C wReserved       DCW 0x0000
0000000E XonLim          DCW 0x0200
00000010 XoffLim         DCW 0x0008
00000012 ByteSize        DCB 0x08
00000013 Parity          DCB 0x00
00000014 StopBits        DCB 0x00
00000015 XonChar         DCB 0x11
00000016 XoffChar        DCB 0x13
00000017 ErrorChar       DCB 0x0D
00000018 EofChar         DCB 0x0D
00000019 EvtChar         DCB 0x0D
0000001A wReserved1      DCW 0x0000
*/