Declaration [src]

gtk_tree_view_set_expander_column (
  GtkTreeView* tree_view,
  GtkTreeViewColumn* column

Description [src]

Sets the column to draw the expander arrow at. It must be in tree_view. If column is NULL, then the expander arrow is always at the first visible column.

If you do not want expander arrow to appear in your tree, set the expander column to a hidden column.


column GtkTreeViewColumn

NULL, or the column to draw the expander arrow at.

 The argument can be NULL.
 The data is owned by the caller of the function.