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 |
|---|---|
| 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. |
|---|---|---|
| ftvspcErrorInvalidParameter | 2 | Invalid parameter. |
Remarks
To retrieve information about each serial port, use GetPhysical.