QTextCodec::setCodecForCStrings( QTextCodec::codecForName("utf8") );
helped.
Question
How I can export from library function UTF8 encoded string?
extern "C" __declspec(dllexport) QString Test()
{
QString tmp = "日本";
return tmp;
}
Solution
QTextCodec::setCodecForCStrings( QTextCodec::codecForName("utf8") );
helped.