PortOpen

Sets or Retrieves the state of the communications port (Open or Closed).

Only available at Runtime.

MSComm32 and Comm64 have the same behavior.

Syntax object.PortOpen = value         object Name of the communications control.   value A boolean expression indicating the state of the port.         Example object.PortOpen = True               If object.PortOpen = True then       MessageBox.Show("Port is Open")   Else       MessageBox.Show("Port is Closed") End if

Remarks:

If you attempt to open a port that does not exist or when it is already open a trapable runtime error will occur.