pickSingleFileAsync method

Pointer<COMObject> pickSingleFileAsync()

Implementation

Pointer<COMObject> pickSingleFileAsync() {
  final retValuePtr = calloc<COMObject>();

  final hr = ptr.ref.vtable
          .elementAt(15)
          .cast<
              Pointer<
                  NativeFunction<
                      HRESULT Function(Pointer, Pointer<COMObject>)>>>()
          .value
          .asFunction<int Function(Pointer, Pointer<COMObject>)>()(
      ptr.ref.lpVtbl, retValuePtr);

  if (FAILED(hr)) {
    free(retValuePtr);
    throw WindowsException(hr);
  }

  return retValuePtr;
}