gtk:tree-list-row-is-expandable (listrow)

listrow -- a gtk:tree-list-row object

True if the row is expandable.

Checks if a row can be expanded. This does not mean that the row is actually expanded, this can be checked with the gtk:tree-list-row-expanded function. If a row is expandable never changes until the row is removed from its model at which point it will forever return false.