EnumPhysical Method

Refreshes information about physical serial ports (or third-party virtual serial ports) and returns their number.

Visual Basic	`Function EnumPhysical() As Long`
Delphi	`function EnumVirtual(): Integer;`
Visual C++ (MFC)	`long EnumPhysical();`
Visual C++ (#import)	`long EnumPhysical();`

None.

The number of physical serial ports.

The method may throw exception. Use GetLastError method to get the error code.

ftvspcErrorFailed	1	The operation has not been completed.
ftvspcErrorInvalidParameter	2	Invalid parameter.

To retrieve information about each serial port, use GetPhysical.