saveCompleted method
Implementation
int saveCompleted(Pointer<Utf16> pszFileName) => ptr.ref.vtable
.elementAt(7)
.cast<
Pointer<
NativeFunction<
Int32 Function(Pointer, Pointer<Utf16> pszFileName)>>>()
.value
.asFunction<int Function(Pointer, Pointer<Utf16> pszFileName)>()(
ptr.ref.lpVtbl, pszFileName);