FtVspcSetPermanentByNum Function
Sets value of Permanent flag.
BOOL FtVspcSetPermanentByNum( UINT unPortNo, BOOL bPermanent );
Parameters
unPortNo
[in] The number of virtual serial port.
bPermanent
[in] Permanent flag value.
Return Value
If the function succeeds, the return value is nonzero. Use FtVspcGetLastError to get the error code (FtVspc_ErrorCode).
Errors
| ftvspcErrorFailed | 1 | The operation has not been completed. |
|---|---|---|
| ftvspcErrorNoSuchPort | 101 | There is no such port. |
| ftvspcErrorMarkedForDeletion | 202 | This port is marked for deletion. |
Remarks
If Permanent flag is set, virtual serial port will be created automatically at each system startup.