Enter the height in the dialog line:
A positive value points in the direction of the user; a negative value points in the opposite direction.(Example)
The manner in which the direction is interpreted depends on the projection of the window which is active when the box is designed.
If the system cannot define the height clearly, it will prompt you to enter a .
(A) Corner
(B) 1st edge, corner
(C) 1st edge, length
(D) Direction point
(E) Point on parallel edge
(F) Length of 2nd edge
(G) Direction point
(H) Point on parallel surface of box
(I) Height
(J) Direction point (if necessary)