height = number;
Define the height of a tile.
This attribute determines the minimum height of a tile, unless the height is fixed by a fixed_xxx attribute, such as fixed_height. There is usually no need to use this attribute, unless you need to improve the appearance of the dialog box.
number: a or an that specifies the height in units of character height (the maximum height of a line of screen characters, including the interline spacing).
height = 12.0;
NOTE The height and width.
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Programming Overview of DCL (Dialog Control Language)
About Predefined Attributes