whenever I compile this program,
my compiler displays thisCode:#include "rect.h" SimpleWindow W("Main Window", 8.0, 8.0); int ApiMain() { W.Open(); RectangleShape R(W, 4.0, 4.0, Blue, 2.0, 3.0); R.Draw(); return 0; }
"cannot open include file: 'rect.h': no such file or directory"
how do I fix it?