Language Reference Guide : System Classes : TableField Class : ExactHeight Attribute
 
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ExactHeight Attribute
Data Type: integer
4GL Access: RW
The ExactHeight attribute specifies the height of a TableField.
For a vertical TableField, if ExactHeight is smaller than the OuterHeight of the TableField, the NumVisibleRows will be decreased and the underlying table body will be decreased. If ExactHeight is larger than the OuterHeight of the TableField, then additional visible rows will be added to so that the last row is a partial row unless it fits exactly in the space provided.
For a horizontal TableField, if ExactHeight is smaller than the OuterHeight of the TableField, the number of displayed columns will be decreased. If ExactHeight is larger than the OuterHeight of the TableField, an additional column will appear as an empty column field with a header button containing no text.