isValidToken method

int isValidToken(
  1. int tk
)

Implementation

int isValidToken(int tk) => (ptr.ref.vtable + 61)
    .cast<Pointer<NativeFunction<Int32 Function(Pointer, Uint32 tk)>>>()
    .value
    .asFunction<int Function(Pointer, int tk)>()(ptr.ref.lpVtbl, tk);