More stuff:
indexbase 0
include "window.h"
SetWindow "2D Primitives",400,300,w_4
SetFont 10,20,100,""
Circle 110,100,30,RGB 252,183,54
Line 0,0,300,400,4,RGB 0,255,0
Line 0,400,400,0,8,RGB 255,255,0
Box 250,60,40,50,RGB 180,180,255
RoundBox 150,30,50,50,25,25,RGB 255,180,180
SetText "Some Elements",200,8,RGB 255,50,0
Pause
WinEnd