SComm64 Communications DLL.
Sets or Retrieves the number of bytes remaining in the transmit buffer below which an OnComm event is raised.
MSComm32 and SComm64 have the same syntax and functionality.
SComm1.SThreshold = value
A numerical expression indicating the SThreshold number of bytes.
SComm1.SThreshold = 0
'// OnComm events will not be triggered.
SComm1.SThreshold = 1
'// OnComm events will be triggered when the last character is transmitted.