FtVspcGetPermanent Function
Retrieves value of Permanent flag for virtual serial port with non-standard name.
BOOL FtVspcGetPermanent( LPCTSTR lpszPortName, BOOL* lpbPermanent );
Parameters
lpszPortName
[in] The name of virtual serial port.
lpbPermanent
[out] A pointer to the variable where the Permanent flag of virtual serial port is returned.
Return Value
If the function succeeds, the return value is TRUE. Otherwise, use FtVspcGetLastError to get the error code (FtVspc_ErrorCode).
Errors
ftvspcErrorFailed | 1 | The operation has not been completed. |
---|---|---|
ftvspcErrorInvalidParameter | 2 | Invalid parameter. |
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.