//导出所有子孙节点
private static void ExportAllChildren2CSV(StreamWriter mysw, StringBuilder allLines, MyTreeNode node)
{
List <string> topIds = new List <string>();
List <string> subNodes = MyTrees.GetAllByTopIds("'" + node.SysId + "'");
int levelNum = 1;
while (subNodes.Count > 0)
{
topIds.Clear();
for (int i = 0; i < subNodes.Count; i++)
{
mysw.WriteLine(subNodes[i]);
topIds.Add("'" + subNodes[i].Substring(0, subNodes[i].IndexOf(",")) + "'");
}
WindowView.notify.SetStatusMessage("正在导出该节点的第" + levelNum + "层（共" + subNodes.Count + "个）子节点，共有" + node.ChildrenLevels + "层子节点");
WindowView.notify.SetProcessBarValue((int)(100.0 * levelNum / node.ChildrenLevels));
levelNum++;
subNodes = MyTrees.GetAllByTopIds(string.Join(",", topIds));
}
}