gtk:tree-view-column-visible (object)

object -- a gtk:tree-view-column object
visible -- true if the tree view column is visible

Accessor of the visible slot of the gtk:tree-view-column class. The gtk:tree-view-column-visible function returns whether the tree view column is visible or not. If it is visible, then the tree will show the column. The (setf gtk:tree-view-column-visible) function sets the visibility of the tree view column. The gtk:tree-view-column implementation is deprecated since 4.10. Please do not use it in newly written code.