gre.redraw


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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