Пример: Улучшенный :)

//{=========================================================================== 
//              $Copyright: (C) Ded (Ilya Dedinsky, http://txlib.ru) <mail@txlib.ru> $
//}===========================================================================

#include "TXLib.h"

int main()
    {
    txCreateWindow (800, 600);

    txSetColor (TX_WHITE);
    txSetFillColor (TX_TRANSPARENT);
    txRectangle (10, 10, 790, 590);

    txSetColor (TX_LIGHTCYAN);
    txEllipse (200, 150, 600, 450);
    txEllipse (245, 150, 555, 450);
    txEllipse (290, 150, 510, 450);
    txEllipse (330, 150, 470, 450);
    txEllipse (375, 150, 425, 450);
    txEllipse (200, 150, 600, 450);
    txEllipse (200, 190, 600, 410);
    txEllipse (200, 230, 600, 370);
    txEllipse (200, 270, 600, 330);
    txLine    (200, 300, 600, 300);

    txSetColor (TX_LIGHTGREEN);
    txSelectFont ("Times New Roman", 60);
    txSetTextAlign (TA_CENTER);
    txTextOut (400, 480, "Hello, world!");

    txSetColor (TX_YELLOW);
    txSetFillColor (TX_YELLOW);
    txLine   (385, 135, 385, 120);
    txLine   (385, 135, 375, 150);
    txLine   (385, 135, 395, 150);
    txLine   (385, 125, 375, 135);
    txLine   (385, 125, 400, 120);
    txCircle (385, 115, 6);

    txSetFillColor (TX_TRANSPARENT);
    txLine (400, 75, 400, 150);
    txRectangle (400, 75, 450, 115);
    txSelectFont ("Times New Roman", 20);
    txTextOut (425, 85, "C++");

    txTextCursor (false);
    return 0;
    }