GtkTreeSortableIface.setSortFunc

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
struct GtkTreeSortableIface
extern (C)
void function(GtkTreeSortable* sortable, int sortColumnId, GtkTreeIterCompareFunc sortFunc, void* userData, GDestroyNotify destroy) setSortFunc;

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