The datatype mismatch error is probably due to passing NULL (which
is not an INTEGER type) to the API function HttpOpenRequest.

>Hi Ramon F.,
>
>
>The datatype for INTERNET_FLAG_SECURE is INTERGER. The values for declare for
>INTERNET_FLAG_SECURE is 0x00800000
>
>There is an error of datatype mismatch when I declare as below.
>#define INTERNET_FLAG_SECURE 0x00800000
>Pls help.
>
>...