Generates a string representation of the iter.
This string is a “:” separated list of numbers. For example, “4:10:0:3” would be an acceptable return value for this string.
a [GtkTreeIter-struct|GtkTreeIter-struct]
a newly-allocated string. Must be freed with g_free().
2.2
Generates a string representation of the iter.
This string is a “:” separated list of numbers. For example, “4:10:0:3” would be an acceptable return value for this string.