Re : Problems with receiving PChar variable from DLL

[Err]

Hi,

I have DLL with function inside:

function CCD_GetSerialNum (ID : Integer; Var sernum :PChar) : boolean; stdcall;

To use this one in LabVIEW I've created CLFN with function prototype:

int32_t CCD_GetSerialNum(int32_t *ID, PStr sernum); (calling convention - stdcall)

I wired input parameters: 0 for ID and empty string for sernum, but function doesn't work... It returns some big value instead of 1 (1 is equivalent to True as I understood), and sernum is empty.

Any suggestions?

PS function works properly in Delphi programm.

[smercurio_fc]

I suspect you're having the same problem as the one discussed here.

[fabrice91]

Hello, I have the same problem, and the other topic doesn't help me at all, do you have the solution to your problem?

Thanks,

Fabrice

[GoCougs]

Out of curiosity, if your function returns a false, is it represented as a 0?