sendkey вводит текст без учета регистра

string name="MoSiN022";
sendlanguage("00000409", w_KIB);
sendkey(name,w_KIB);

external(INT, "isupper", "isupper", "msvcrt.dll");

win w_KIB = window (-1, "Edit", window (-1, "Notepad", -1));
_sendkey("MoSiN022", w_KIB); // с русскими символами не работает


function _sendkey(string s, win w)
{
char c[999];
strcpy(#c[0], s);
sendlanguage("00000409", w);
for(int i=0; i<size(s); i++)
{
int result = isupper(formatci(c[i]));
if(result==1)
{
keydown(SHIFT);
sendkey(c[i], w);
keyup(SHIFT);
}
else sendkey(c[i], w);
}
}

win w_KIB=window (-1, "Edit", window ("Безымянный — Блокнот", "Notepad", -1));
string name="MoSiN022@gmail.ru";
sendlanguage("00000409", w_KIB);
sendkey(name,w_KIB);