OS.gtk_tree_view_scroll_to_cell (handle, path, 0, depth != 1, 0.0f, 0.5f);
OS.gtk_tree_view_scroll_to_cell (handle, path, 0, depth != 1, 0.5f, 0.0f);
public void setTopItem (TreeItem item) {	if (item == null) error (SWT.ERROR_NULL_ARGUMENT);	if (item.isDisposed ()) error(SWT.ERROR_INVALID_ARGUMENT);	int path = OS.gtk_tree_model_get_path (modelHandle, item.handle);	showItem (path, false);	int depth = OS.gtk_tree_path_get_depth (path);	OS.gtk_tree_view_scroll_to_cell (handle, path, 0, depth != 1, 0.0f, 0.5f);	OS.gtk_tree_path_free (path);}