摘要：
//循环删除树的所有根结点long ll_handle,ll_handleNextll_handleNext=0ll_handle = tv_1.finditem(RootTreeItem! ,0)do while ll_handle >0 ll_handleNext = tv_1.finditem(NextTreeItem! ,ll_handle) //同级的下一个节点tv_1.deleteitem( ll_handle)ll_handle=ll_handleNextloop 阅读全文
