Zhiyi Zhang (@zhiyi) commented about dlls/comctl32/tests/treeview.c:
- /* check that expansion can be denied by parent */
- hTree = create_treeview_control(0);
- fill_tree(hTree);
- g_reject_tvn_itemexpanding = 1;
- memset(&item, 0, sizeof(item));
- item.mask = TVIF_STATE;
- item.hItem = hRoot;
- SendMessageA(hTree, TVM_EXPAND, TVE_EXPAND, (LPARAM)item.hItem);
- g_reject_tvn_itemexpanding = 0;
- /* check if it's expanded */
- item.state = 0;
- SendMessageA(hTree, TVM_GETITEMA, 0, (LPARAM)&item);
Please check the result from TVM_GETITEMA.