起始位不用设。都是1位 StopBits Number of stop bits to be used. This member can be one of the following values. Value Meaning ONESTOPBIT 0 1 stop bit. ONE5STOPBITS 1 1.5 stop bits. TWOSTOPBITS 2 2 stop bits. http://msdn.microsoft.com/library/default.asp?url=/library/en-us/devio/base/dcb_str.asp
StopBits
Number of stop bits to be used. This member can be one of the following values.
Value Meaning
ONESTOPBIT
0 1 stop bit.
ONE5STOPBITS
1 1.5 stop bits.
TWOSTOPBITS
2 2 stop bits.
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/devio/base/dcb_str.asp