I am not sure what type of object is referenced by 'goHPL', but when I tried the Vartype( ) against a known object reference '_Screen', I get the following:


keyboard vartype( _Screen ) && returns 'O'
keyboard vartype( _Screen.test ) && returns 'U'
keyboard vartype( _Screen.Left ) && Error "Property Left is not Found"

OUN


The output string 'OUN' occurs in the command window, so I would guess that the problem you observe has to do with a property 'Left' that should be in the class, but for some reason isn't ( did you hack a class definition and remove the 'Left' property ? )