#include "gwin.user.h" main() { float x,y,xold,yold,event; char key; ustart("high2",0.,640.,0.,400.); uset("comp"); upset("colo",1.0); uprint(40.0,90.0,"MOVE MOUSE"); xold = 50.; yold = 50.; uset("ncli"); while (1==1){ ugrinl(&x,&y,&event,&key); umove(50.,50.); udraw(xold,yold); umove(50.,50.); udraw(x,y); xold = x; yold = y; } uend(); }