/// <summary>
/// 设置子节点CheckState
/// </summary>
/// <param name="node"></param>
/// <param name="check"></param>
private static void SetCheckedChildNodes(TreeListNode node, CheckState check)
{
if (node != null)
{
node.LoopTreeNodes((TreeListNode _node) =>
{
_node.CheckState = check;
});
}
}