BrightSign Object Reference Manual (FW 5.1) - Manual (Page 81)

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Roku> image filename.bmp 0 0 0
Roku> image filename.bmp 2 0 0
The following example script uses preloaded images to improve the UI speed when the user hits a key on the keyboard.
As soon as a key is struck, the display switches to the new image, which has already been preloaded. The only possible
delay occurs if the key is hit while the image is preloading. In this case, the image will display as soon as it is loaded.
i = CreateObject("roImagePlayer")
p = CreateObject("roMessagePort")
k = CreateObject("roKeyboard")
k.SetPort(p)
i.PreloadFile("one.bmp")
loop:
i.DisplayPreload
i.PreloadFile("two.bmp")
Wait(0,p)
i.DisplayPreload
i.PreloadFile("one.bmp")
Wait(0,p)
goto loop