FtVspcGetPermanentByNum Function

Retrieves value of Permanent flag.

BOOL FtVspcGetPermanentByNum(
	UINT unPortNo,
	BOOL* lpbPermanent 
	);

Parameters

unPortNo

[in] The number 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 nonzero. 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 Permanant flag is set, virtual serial port will be created automatically at each system startup.

See Also

FtVspcGetPermanent, FtVspcSetPermanentByNum