$editbox(window,Z,N)[.x|y|w|h|focus]
If N is specified, results for the 2nd editbox are returned
Z is optional and if Z is specified, then $editbox will return the Zth line of the editbox history.
If Z is 0, the total number of lines stored in the editbox history are returned.
N must be specified(0 for first editbox, 1 for second editbox)
.x|y|w|h returns the x, y, width or height, in pixels, of the editbox.
.focus returns $true of $false if the editbox has focus.