const short CHARSET_DONTKNOW = 0;
const short ANSI = 1;
const short MAC = 2;
const short IBMPC_437 = 3;
const short IBMPC_850 = 4;
const short IBMPC_860 = 5;
const short IBMPC_861 = 6;
const short IBMPC_863 = 7;
const short IBMPC_865 = 8;
const short CHARSET_SYSTEM = 9;
const short SYMBOL = 10;