dev_close_window ()
dev_open_window (0, 0, 512, 512, ‘black’, WindowHandle)
*设置颜色
dev_set_color (‘red’)
*画箭头
disp_arrow (WindowHandle, 10, 10, 118, 118, 1)
*显示字符串
disp_message (WindowHandle,‘显示文字’, ‘window’, 12, 12, ‘black’, ‘true’)
*设置光标位置
set_tposition (WindowHandle, 240, 12)
*在光标位置显示文字
write_string (WindowHandle, ‘hello’)
set_tposition (WindowHandle, 118, 118)
*读取外部键盘输入字符
read_string (WindowHandle, ‘读取字符’, 32, OutString)