To fix zoom:[br][code]SetValue[a,CopyFreeObject(x(Corner(1)))][br]SetValue[b,CopyFreeObject(y(Corner(1)))][br]SetValue[c,CopyFreeObject(x(Corner(3)))][br]SetValue[d,CopyFreeObject(y(Corner(3)))][br]ZoomIn(a,b,c,d)[br][br][/code]and to unfix again:[br][code]ZoomIn(0,0,0,0)[/code]