private void AddSubNodes(TreeNode childNode, StreamWriter outWrite, ref int Lev)
{
string outString = "";
if (childNode.Nodes.Count > 0)
{
for (int n = 0; n < childNode.Nodes.Count; n++)
{
outString = "";
for (int i = 0; i < Lev; i++) outString += " ";
outString += childNode.Nodes[n].Text;
outWrite.WriteLine(outString);
Lev += 1;
AddSubNodes(childNode.Nodes[n], outWrite, ref Lev);
Lev -= 1;
}
}
}