OnLineControl Event in Virtual Serial Port ActiveX Control

The OnLineControl event occurs when other application changes line control parameters for virtual serial port.

OnLineControl(
  	BYTE StopBits, 	// Stop Bits
  	BYTE Parity, 	// Parity
  	BYTE WordLength 	// Data Bits
);

Parameters:

  • StopBits [out] : Number of stop bits to be used. This member can be one of the following values:
    Value Meaning
    0 1 stop bit
    1 1.5 stop bits
    2 2 stop bits

     

  • Parity [out] : Parity scheme to be used. This member can be one of the following values:
    Value Meaning
    0 No parity
    1 Odd
    2 Even
    3 Mark
    4 Space

     

  • WordLength [out] : Number of bits in the bytes transmitted and received.