EnumPhysical Method
Refreshes information about physical serial ports (or third-party virtual serial ports) and returns their number.
Syntax
Visual Basic | Function EnumPhysical() As Long |
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Delphi | function EnumVirtual(): Integer; |
Visual C++ (MFC) | LONG EnumPhysical(); |
Visual C++ (#import) | LONG EnumPhysical(); |
Parameters
None.
Return
The number of physical serial ports.
Errors
The method may throw exception. Use GetLastError method to get the error code.
ftvspcErrorFailed | 1 | The operation has not been completed. |
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ftvspcErrorInvalidParameter | 2 | Invalid parameter. |
Remarks
To retrieve information about each serial port, use GetPhysical.