The MINHEIGHT attribute defines the minimum height of a form.
MINHEIGHT = integer
The MINHEIGHT attribute is used to define a minimum height for the form/window. It must be specified in the attributes of the LAYOUT section.
The unit defaults to a number of grid cells. This is the equivalent of the CHARACTERS in the HEIGHT attribute specification.
LAYOUT ( MINWIDTH=60, MINHEIGHT=50 ) GRID ...