getTypeInfoCount method
Retrieves the number of type information interfaces that an object provides (either 0 or 1).
Throws a WindowsException on failure.
To learn more, see learn.microsoft.com/windows/win32/api/oaidl/nf-oaidl-idispatch-gettypeinfocount.
Implementation
int getTypeInfoCount() {
final pctinfo = adaptiveCalloc<Uint32>();
final hr$ = HRESULT(_GetTypeInfoCountFn(ptr, pctinfo));
if (hr$.isError) {
free(pctinfo);
throw WindowsException(hr$);
}
final result$ = pctinfo.value;
free(pctinfo);
return result$;
}