gre.redraw(
x,
y,
width,
height,
[channel]
)
Force a screen redraw. channel is an optional parameter. Specifying a x,y,width,height of 0 will result in a full screen refresh occurring.
Parameters: x The x position of the redraw bounding box event y The y position of the redraw bounding box event width The width position of the redraw bounding box event height The height position of the redraw bounding box event channel An optional Storyboard IO channel to send the event on, if not specified the event is added directly into the current Storyboard application event queue if neither the environment variable or global GREIONAME variable are set. Returns: true for success, false for failure and error message string, e.g. "Can't open greio channel my_channel" Example:
function CBRedraw()
gre.redraw(25, 50, 100, 100)
end
function CBSendRedraw()
local success, error = gre.redraw(25, 50, 100, 100, "my_channel")
if(success == false) then
print(error)
--handle error
end
end