A variable of this enumerated data type specifies the
orientation of a graphic component, and the direction of motion if
the graphic component is displaying a moving object. See the
documentation of the
data type for an example of its use.
TYPE VDIR : (* Orientation values for HMI elements *) (RIGHT, (* Left to Right *) DOWN, (* Top to Bottom *) LEFT, (* Right to Left *) UP) (* Bottom to Top *) ; END_TYPE