Hi how to use utf8 and rtl in qtopia aplication. writing and testing this code but not working But working in my pc #include <qapplication.h> #include <qpushbutton.h> #include <qfont.h> #include <qlineedit.h> #include <qdialog.h> #include <qstring.h> int main( int argc, char **argv ) { QApplication a( argc, argv ); QDialog form1; QPushButton quit( QString::fromUtf8("خروج"), &form1,"quit" ); QPushButton clean( "Clean", &form1, "clean"); quit.resize( 75, 30 ); quit.setFont( QFont( "font/tahoma.ttf", 18, QFont::Bold ) ); line.setGeometry( QRect( 0, 0, 137, 25 ) ); quit.setGeometry( QRect( 7, 86, 60, 25 ) ); clean.setGeometry( QRect( 70, 86, 60, 25 ) ); QObject::connect( &quit, SIGNAL(clicked()), &a, SLOT(quit()) ); QObject::connect( &clean, SIGNAL(clicked()), &line, SLOT(clear()) ); a.setMainWidget( &form1 ); form1.show(); return a.exec(); }