OnDCD Event in Serial Port ActiveX Control

The OnDCD event is triggered when a change is detected in the DCD input signal of the port.  

 BOOL On// DCD signal state

  On     [out] Determines the state of DCD signal. This parameter can be any of the following values:    

TRUEDCD signal sent
FALSEDCD signal cleared


See also

OnCTS event, OnDSR event, OnRing event