Взято отсюда:
Сохранение/восстановление буфера обмена
Код:
client server static void copyMemory(Binary _dest, Binary _source, int _size)
{
DLL winApiDLL = new DLL('KERNEL32');
DLLFunction copyMemory = new DLLFunction(winApiDLL, 'RtlMoveMemory');
copyMemory.returns(ExtTypes::void);
copyMemory.arg(ExtTypes::Pointer, ExtTypes::Pointer, ExtTypes::DWord);
copyMemory.call(_dest, _source, _size);
}