gre.redraw

    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

Parameter	Type	Description
x	#number	The x position of the redraw bounding box event.
y	#number	The y position of the redraw bounding box event.
width	#number	The width position of the redraw bounding box event.
height	#number	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

Type	Description
#boolean	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