Do any body tell me this problem.
I declare a variant like this:
_variant_t vValue;
and I assign vValue= (value);
becase vValue may NULL or have a value, So tell me how can I know vValue was NULL?.
Thanks so much
KhinLau
Printable View
Do any body tell me this problem.
I declare a variant like this:
_variant_t vValue;
and I assign vValue= (value);
becase vValue may NULL or have a value, So tell me how can I know vValue was NULL?.
Thanks so much
KhinLau