getExtension method
Implementation
int getExtension(Pointer<Pointer<Utf16>> pbstrExtension) => (ptr.ref.vtable +
11)
.cast<
Pointer<
NativeFunction<
Int32 Function(
Pointer, Pointer<Pointer<Utf16>> pbstrExtension)>>>()
.value
.asFunction<
int Function(Pointer, Pointer<Pointer<Utf16>> pbstrExtension)>()(
ptr.ref.lpVtbl, pbstrExtension);