addNanoseconds method
Implementation
void addNanoseconds(int nanoseconds) {
final hr = ptr.ref.vtable
.elementAt(90)
.cast<
Pointer<
NativeFunction<HRESULT Function(Pointer, Int32 nanoseconds)>>>()
.value
.asFunction<
int Function(
Pointer, int nanoseconds)>()(ptr.ref.lpVtbl, nanoseconds);
if (FAILED(hr)) throw WindowsException(hr);
}