GtkCTree::pre_recursive
void pre_recursive(GtkCTreeNode node, String callback, ??? own_parameter]);
Recursively apply a function to all nodes of the tree at or below a certain node. The function is called for each node after it has been called for its parent.
For a in-detail description, see post_recursive.
忘却曲線を使ってこの知識を確実に記憶に残す
