How do display forms project in treeview ?

hi dear Selva ;

I used this code :

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 Main mn = new Main(); // main form             int c = mn.menuStrip1.Items.Count;             foreach (ToolStripMenuItem menu in mn.menuStrip1.Items)             {                 menu.Visible = true;                 treeView1.Nodes.Add("x", menu.Text);             }             foreach (ToolStripMenuItem menu in mn.menuStrip1.Items)             {                 menu.Visible = true;                 int j = 0;                 for (int i = 0; i < menu.DropDown.Items.Count; i++)                 {                     treeView1.Nodes[j].Nodes.Add("X", menu.DropDown.Items[i].Text);                 }                 j++;

To display menus in treeView ;

And now I want to display forms, for example:

Form 1 = Node 1
Form 2 = Node 2

If the form, the form of the following groups:

Form 1 = Node 1
----- Form 3 = Node 3
----- Form 4 = Node 4
Form 2 = Node 2