Whole window with dividers Uvalue

[RDmitchell]

See https://github.com/LBNL-ETA/Windows-Tools/issues/1905

[RDmitchell]

Make sure that this is working in Windows Calc Engine even tho it's wrong in 7.8

[RDmitchell]

@dccurcija -- check for dual vision as well as single vision