Imports System
Imports System.Drawing
Imports System.Windows.Forms

Namespace CustomCursor

   Public Class Form1
      Inherits System.Windows.Forms.Form

      <System.STAThread()> _
      Public Shared Sub Main()
         System.Windows.Forms.Application.Run(New Form1())
      End Sub 'Main

      Public Sub New()

         Me.ClientSize = New System.Drawing.Size(292, 266)
         Me.Text = "Cursor Example"

         ' Looks namespace.MyCursor.cur in the assemblies manifest.

         ' The following generates a cursor from an embedded resource.
         ' To add a custom cursor, create or use an existing 16x16 bitmap
         '        1. Add a new cursor file to your project: 
         '                File->Add New Item->Local Project Items->Cursor File
         '        2. Select 16x16 image type:
         '                Image->Current Icon Image Types->16x16
         ' --- To make the custom cursor an embedded resource  ---
         ' In Visual Studio:
         '        1. Select the cursor file in the Solution Explorer
         '        2. Choose View->Properties.
         '        3. In the properties window switch "Build Action" to "Embedded"
         ' On the command line:
         '        Add the following flag:
         '            /res:CursorFileName.Cur,Namespace.CursorFileName.Cur
         '
         ' The following line uses the namespace from the passed-in type
         ' and looks for CustomCursor.MyCursor.Cur in the assemblies manifest.
     ' NOTE: The cursor name is acase sensitive.        

         Me.Cursor = New Cursor(Me.GetType(), "MyCursor.Cur") 
      End Sub 'New       
   End Class 'Form1
End Namespace 'CustomCursor

Public Class Customer
   Inherits [Object]
   Private custName As String = ""
   Friend custOrders As New ArrayList()

   Public Sub New(ByVal customername As String)
      Me.custName = customername
   End Sub

   Public Property CustomerName() As String
      Get
         Return Me.custName
      End Get
      Set(ByVal Value As String)
         Me.custName = Value
      End Set
   End Property

   Public ReadOnly Property CustomerOrders() As ArrayList
      Get
         Return Me.custOrders
      End Get
   End Property
End Class 'End Customer class


Public Class Order
   Inherits [Object]
   Private ordID As String

   Public Sub New(ByVal orderid As String)
      Me.ordID = orderid
   End Sub 'New

   Public Property OrderID() As String
      Get
         Return Me.ordID
      End Get
      Set(ByVal Value As String)
         Me.ordID = Value
      End Set
   End Property
End Class ' End Order class

' Create a new ArrayList to hold the Customer objects.
Private customerArray As New ArrayList()

Private Sub FillMyTreeView()
   ' Add customers to the ArrayList of Customer objects.
   Dim x As Integer
   For x = 0 To 999
      customerArray.Add(New Customer("Customer" + x.ToString()))
   Next x

   ' Add orders to each Customer object in the ArrayList.
   Dim customer1 As Customer
   For Each customer1 In customerArray
      Dim y As Integer
      For y = 0 To 14
         customer1.CustomerOrders.Add(New Order("Order" + y.ToString()))
      Next y
   Next customer1

   ' Display a wait cursor while the TreeNodes are being created.
   Cursor.Current = New Cursor("MyWait.cur")

   ' Suppress repainting the TreeView until all the objects have been created.
   treeView1.BeginUpdate()

   ' Clear the TreeView each time the method is called.
   treeView1.Nodes.Clear()

   ' Add a root TreeNode for each Customer object in the ArrayList.
   Dim customer2 As Customer
   For Each customer2 In customerArray
      treeView1.Nodes.Add(New TreeNode(customer2.CustomerName))

      ' Add a child TreeNode for each Order object in the current Customer object.
      Dim order1 As Order
      For Each order1 In customer2.CustomerOrders
         treeView1.Nodes(customerArray.IndexOf(customer2)).Nodes.Add( _
    New TreeNode(customer2.CustomerName + "." + order1.OrderID))
      Next order1
   Next customer2

   ' Reset the cursor to the default for all controls.
   Cursor.Current = System.Windows.Forms.Cursors.Default

   ' Begin repainting the TreeView.
   treeView1.EndUpdate()
End Sub 'FillMyTreeView