i Have Used Bellow Code For This
private void DrawTreeMenu()
{
foreach (ToolStripMenuItem t in msMainMenu.Items)
{
string mm = t.Text;
TreeNode tn = new TreeNode(mm);
tvMenu.Nodes.Add(tn);
AttachNodeMenu(tvMenu.Nodes[tvMenu.Nodes.Count - 1], t);
}
}
private void AttachNodeMenu(TreeNode tn, ToolStripMenuItem t)
{
foreach (ToolStripDropDownItem d in t.DropDownItems)
{
string mm = d.Text;
TreeNode tnc = new TreeNode(mm);
n.Nodes.Add(tnc);
AttachNodeMenu(tn.Nodes[tn.Nodes.Count - 1], (ToolStripMenuItem)d);
}
}