// Draw int x,y; draw() { int e; // Get initial position x = penx(); y = peny(); // Draw lines until we stop receiving penMoves do { line(1, x, y, x=penx(), y=peny()); } while (event(1)==4); } main() { int e; graph_on(); title("Draw"); while (1) { e = event(1); if (e==2) draw(); } }