To register by implementing the following routine in your setup program or at your application's start-up:
C/C++ Version

BOOL RegistryCFX ()
{
HINSTANCE hOCX;
FARPROC pReg;

#ifdef _WIN32
hOCX = LoadLibrary("CFX32.OCX");
#else
hOCX = LoadLibrary("CHARTFX.OCX");
#endif

if (!hOCX)
return FALSE; // Could not load OCX !

pReg = GetProcAddress(hOCX,"DllRegisterServer");
if (pReg)
pReg(); // Call the registration function

FreeLibrary(hOCX);
return (pReg != NULL);
}