getDescription method

BSTR getDescription()

Returns a textual description of the error.

Throws a WindowsException on failure.

To learn more, see learn.microsoft.com/windows/win32/api/oaidl/nf-oaidl-ierrorinfo-getdescription.

Implementation

BSTR getDescription() {
  final pBstrDescription = adaptiveCalloc<Pointer<Utf16>>();
  final hr$ = HRESULT(_GetDescriptionFn(ptr, pBstrDescription));
  if (hr$.isError) {
    free(pBstrDescription);
    throw WindowsException(hr$);
  }
  final result$ = pBstrDescription.value;
  free(pBstrDescription);
  return .new(result$);
}