Denso BHT-400-CE Reference Manual page 305

PortOpen
Opens/closes the COM port.
￭ Syntax
[VB]
Public Property
[C#]
public bool PortOpen
￭ Property
COM port status: Open (=True), Disabled (=False)
Default value: False
Exceptions
￭
Name of Exception
DevNotFoundException
ObjectDisposedException
SecurityException
[Ex.] Open the COM port.
[VB] MyComm.PortOpen = True
[C#] MyComm.PortOpen = true;
PortOpen As Boolean
{get;set}
Meaning
No COM port exists.
The COM port has not been opened (i.e., The COM port
is closed).
The COM port has already been opened.
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