getScale method
Throws a WindowsException on failure.
Implementation
int getScale() {
final scale = adaptiveCalloc<Uint32>();
final hr$ = HRESULT(_GetScaleFn(ptr, scale));
if (hr$.isError) {
free(scale);
throw WindowsException(hr$);
}
final result$ = scale.value;
free(scale);
return result$;
}