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Specifies the rule for determining the height of an object.
public enum HeightRule
AtLeast = 2
The height will be at least the specified height in points. It will grow, if needed, to accommodate all text inside an object.
Auto = 0
The height will grow automatically to accommodate all text inside an object.
Exact = 1
The height is specified exactly in points. If the text cannot fit inside the object of this height, it will appear truncated.