#include using namespace Upp; struct Foo { int q; String text; Vector data; void Serialize(Stream& s) { s % q % text % data; } String ToString() const { String s; s << "q = " << q << ", text = \"" << text << "\", data:"; for(int i = 0; i < data.GetCount(); i++) s << ' ' << data[i]; return s; } Foo() { q = 0; } }; CONSOLE_APP_MAIN { Foo foo; LoadFromFile(foo, ConfigFile("data.bin")); Cout() << "Loaded Foo: " << foo << '\n'; foo.text = FormatIntRoman(foo.q); foo.q++; foo.data.Add(foo.q); StoreToFile(foo, ConfigFile("data.bin")); Cout() << "Saved Foo: " << foo << '\n'; }