Column Context Menus

Functions in the column header context menu can use the evaluator like in any other toolbar or menu, however in this evaluation context, the following variables are available which are specific to the column header:

Variable	Type	Description
frozenfields	int	The number of frozen columns.
group	int	ID of the column the file display is grouping by, -1 if none. You can pass this ID to commands like Set GROUPBY=x,toggle.
groupkey	str	Keyword of the column the file display is grouping by.
groupname	str	Name of the column the file display is grouping by.
groupscheme	str	Name of the current grouping scheme (if any).
header	int	ID of the column that was right-clicked, -1 if none. You can pass this ID to commands like Set COLUMNSTOGGLE=x.
headerindex	int	Position of the header item that was right-clicked.
headerinsert	int	Insertion point. Similar to headerindex, but +1 if the click was in the right-half of the item.
headeritem	int	Deprecated. The same as headerinsert.
headerkey	str	Keyword of the column that was right-clicked.
headername	str	Name of the column that was right-clicked.
path	path	Returns the path shown in the file display.