Structure TreeNodeTag
    Public FilePath As String
    Public Info As String
End Structure

TreeView1.Nodes(0).Nodes.Add(New TreeNode("Project 2") With {.Tag = New _
  TreeNodeTag With {.FilePath = "Project 1", .Info = "Test2"}})

lb_Tag.Text = CType(e.Node.Tag, TreeNodeTag).FilePath
lb_Tag2.Text = CType(e.Node.Tag, TreeNodeTag).Info