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Source position: lazgtk3.pas line 18563
procedure gtk_tree_view_column_cell_set_cell_data(  | 
tree_column: PGtkTreeViewColumn;  | 
tree_model: PGtkTreeModel;  | 
iter: PGtkTreeIter;  | 
is_expander: gboolean;  | 
is_expanded: gboolean  | 
);  |