C# TreeView checkbox 联动打勾  #region 将树的checkbox选中        private void setNodeTrue(Node selNode) {             Node node = selNode.Parent;            if (node != null) {                node.CheckState =  CheckState.Checked;                setNodeTrue(node);            }        }        #endregion        #region 将树的checkbox选中        private void setNodeStateTrue(Node selNode)        {            if (selNode.CheckBoxVisible)            {                selNode.CheckState =  CheckState.Checked;                foreach (Node node in selNode.Nodes)                {                    setNodeStateTrue(node);                }            }        }        #endregion        #region 将树的checkbox取消选中        private void setNodeStateFalse(Node selNode)        {            if (selNode.CheckBoxVisible) {                selNode.CheckState =  CheckState.Unchecked;                foreach (Node node in selNode.Nodes)                {                    setNodeStateFalse(node);                }            }        }        #endregion        #region 将树的checkbox取消选中        private void setNodeFalse(Node selNode)        {            Node nextNode = selNode.NextNode;            Node previousNode = selNode.PrevNode;            Node praNode = selNode.Parent;            if (praNode != null) {                while (nextNode != null)                {                    if (nextNode.Checked)                    {                        return;                    }                    nextNode = nextNode.NextNode;                }                while (previousNode != null)                {                    if (previousNode.Checked)                    {                        return;                    }                    previousNode = previousNode.PrevNode;                }                praNode.CheckState =  CheckState.Unchecked;                setNodeFalse(praNode);            }        }        #endregion  #region 单击树的checkbox事件        private void tvDevice_AfterCheck(object sender, AdvTreeCellEventArgs e)        {            Node node = tvDevice.SelectedNode;              if (node.Checked)            {                setNodeTrue(node);                setNodeStateTrue(node);            }            else {                setNodeStateFalse(node);                setNodeFalse(node);            }        }        #endregion 

原文来自 http://hi.baidu.com/jm_li_cn/item/ce4cec163f02932bd0d66dbb