2.55 .colvisible[integer]
This single-indexed attribute controls the visibility of columns so that they can be displayed when needed.
Definition
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                                Data type boolean 
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                                Access get, set 
- 
                                changed event yes 

- 
                                    C Data type: DT_boolean 
- 
                                    COBOL Data type: DT-boolean 
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                                    Classification object-specific attribute 
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                                    Objects 
In some applications, information which is meant exclusively for the application and not for the user is held in the tablefield. These columns and rows are to be displayed only in specific situations.
This attribute is treated as the other ones in the tablefield, i.e. in .colvisible[0] the default is used (the default value is true) if no value has been defined for the column.