add-column

Arguments: list-view-or-grid-column-section list-view-column-or-grid-column &optional index

For a list-view control, adds a new list-view-column specified by list-view-column-or-grid-column to list-view-or-grid-column-section at index. An index of zero indicates the leftmost position, 1 means second from the left, and so on. An index of -1 (this is the default for list-views) means in the rightmost position. See the description of the list-view control.

For a grid-widget control, adds a grid-column, specified by the list-view-column-or-grid-column to the grid-column-section specified by list-view-or-grid-column-section at the specified index among the columns of that section. An index of zero indicates the first (leftmost) position. A huge number can be used for index to add to the end. The default index for the grid-widget method is zero. Alternately, (setf subsections) can be called to replace the entire set of columns of the column section.

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Created 2019.8.20.