<System.Runtime.InteropServices.ComVisible(False)>
Public Class ImageControl

   Public Event PointSelected(n As Integer)
   Public Event PointUnselected()
   Public Event NewMousePosImage(pima As PointF)

   Private m_ScrollVisible As Boolean = True

   Public Sub New()

      ' This call is required by the Windows Form Designer.
      InitializeComponent()

      ' Add any initialization after the InitializeComponent() call.
   End Sub

#Region "Public Properties"
   Public ReadOnly Property DBoard() As DrawingBoard
      Get
         Return DrawingBoard1
      End Get
   End Property

   Public Property PanMode() As Boolean
      Get
         Return DrawingBoard1.PanMode
      End Get
      Set(ByVal value As Boolean)
         DrawingBoard1.PanMode = value
      End Set
   End Property

   Public Property PanButton() As System.Windows.Forms.MouseButtons
      Get
         Return DrawingBoard1.PanButton
      End Get
      Set(ByVal value As System.Windows.Forms.MouseButtons)
         DrawingBoard1.PanButton = value
      End Set
   End Property

   Public Property ZoomOnMouseWheel() As Boolean
      Get
         Return DrawingBoard1.ZoomOnMouseWheel
      End Get
      Set(ByVal value As Boolean)
         DrawingBoard1.ZoomOnMouseWheel = value
      End Set
   End Property

   Public Property ZoomFactor() As Double
      Get
         Return DrawingBoard1.ZoomFactor
      End Get
      Set(ByVal value As Double)
         DrawingBoard1.ZoomFactor = value
      End Set
   End Property

   Public Property Origin() As System.Drawing.Point
      Get
         Return DrawingBoard1.Origin
      End Get
      Set(ByVal value As System.Drawing.Point)
         DrawingBoard1.Origin = value
      End Set
   End Property

   Public Property StretchImageToFit() As Boolean
      Get
         Return Me.DrawingBoard1.StretchImageToFit
      End Get
      Set(ByVal value As Boolean)
         Me.DrawingBoard1.StretchImageToFit = value
      End Set
   End Property

   Public Property MouseEnabled() As Boolean
      Get
         Return Me.DrawingBoard1.MouseEnaBled
      End Get
      Set(ByVal value As Boolean)
         Me.DrawingBoard1.MouseEnaBled = value
      End Set
   End Property

   Public ReadOnly Property ApparentImageSize() As System.Drawing.Size
      Get
         Return DrawingBoard1.ApparentImageSize
      End Get
   End Property

   Public Sub fittoscreen()
      Me.DrawingBoard1.fittoscreen()
   End Sub

   Public Sub InvertColors()
      Me.DrawingBoard1.InvertColors()
   End Sub

   Public Sub ZoomIn()
      Me.DrawingBoard1.ZoomIn()
   End Sub

   Public Sub ZoomOut()
      Me.DrawingBoard1.ZoomOut()
   End Sub

   Public Property ScrollbarsVisible() As Boolean
      Get
         Return m_ScrollVisible
      End Get
      Set(ByVal value As Boolean)
         m_ScrollVisible = value
         Me.HScrollBar1.Visible = value
         Me.VScrollBar1.Visible = value
         If value = False Then
            Me.DrawingBoard1.Dock = DockStyle.Fill
         Else
            Me.DrawingBoard1.Dock = DockStyle.None
            Me.DrawingBoard1.Location = New Point(0, 0)
            Me.DrawingBoard1.Width = ClientSize.Width - VScrollBar1.Width
            Me.DrawingBoard1.Height = ClientSize.Height - HScrollBar1.Height

         End If
      End Set
   End Property

#End Region

#Region "Public/Private Shadows"
   Public Shadows Property Image() As System.Drawing.Image
      Get
         Return DrawingBoard1.Image
      End Get
      Set(ByVal Value As System.Drawing.Image)
         DrawingBoard1.Image = Value
         If Value Is Nothing Then
            HScrollBar1.Enabled = False
            VScrollBar1.Enabled = False
            Exit Property
         End If
      End Set
   End Property

   Public Shadows Property initialimage() As System.Drawing.Image
      Get
         Return DrawingBoard1.initialimage
      End Get
      Set(ByVal value As System.Drawing.Image)
         DrawingBoard1.initialimage = value
         If value Is Nothing Then
            HScrollBar1.Enabled = False
            VScrollBar1.Enabled = False
            Exit Property
         End If
      End Set
   End Property

   Public Shadows Property BackgroundImage() As System.Drawing.Image
      Get
         Return DrawingBoard1.BackgroundImage
      End Get
      Set(ByVal Value As System.Drawing.Image)
         DrawingBoard1.BackgroundImage = Value
         If Value Is Nothing Then
            HScrollBar1.Enabled = False
            VScrollBar1.Enabled = False
            Exit Property
         End If
      End Set
   End Property

#End Region

   Public Sub RotateFlip(ByVal RotateFlipType As System.Drawing.RotateFlipType)
      DrawingBoard1.RotateFlip(RotateFlipType)
   End Sub

   Private Sub DrawingBoard1_NewMousePosImage(pm As System.Drawing.PointF) Handles DrawingBoard1.NewMousePosImage
      RaiseEvent NewMousePosImage(pm)
   End Sub

   Private Sub DrawingBoard1_PointSelected(n As Integer) Handles DrawingBoard1.PointSelected
      RaiseEvent PointSelected(n)
   End Sub

   Private Sub DrawingBoard1_PointUnselected() Handles DrawingBoard1.PointUnselected
      RaiseEvent PointUnselected()
   End Sub

   ' DISATTIVO il richimao alla ScrollBar: Handles DrawingBoard1.SetScrollPositions
   Private Sub DrawingBoard1_SetScrollPositions()

      Dim DrawingWidth As Integer = DrawingBoard1.Image.Width
      Dim DrawingHeight As Integer = DrawingBoard1.Image.Height
      Dim OriginX As Integer = DrawingBoard1.Origin.X
      Dim OriginY As Integer = DrawingBoard1.Origin.Y
      Dim FactoredCtrlWidth As Integer = DrawingBoard1.Width / DrawingBoard1.ZoomFactor
      Dim FactoredCtrlHeight As Integer = DrawingBoard1.Height / DrawingBoard1.ZoomFactor
      HScrollBar1.Maximum = Me.DrawingBoard1.Image.Width
      VScrollBar1.Maximum = Me.DrawingBoard1.Image.Height

      If FactoredCtrlWidth >= DrawingBoard1.Image.Width Or StretchImageToFit Then
         HScrollBar1.Enabled = False
         HScrollBar1.Value = 0
      Else
         HScrollBar1.LargeChange = FactoredCtrlWidth
         HScrollBar1.Enabled = True
         HScrollBar1.Value = OriginX
      End If

      If FactoredCtrlHeight >= DrawingBoard1.Image.Height Or StretchImageToFit Then
         VScrollBar1.Enabled = False
         VScrollBar1.Value = 0
      Else
         VScrollBar1.Enabled = True
         VScrollBar1.LargeChange = FactoredCtrlHeight
         VScrollBar1.Value = OriginY
      End If


   End Sub

   Private Sub ScrollBar_ValueChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles HScrollBar1.ValueChanged, VScrollBar1.ValueChanged
      Me.DrawingBoard1.Origin = New Point(HScrollBar1.Value, VScrollBar1.Value)
   End Sub

   Private Sub DrawingBoard1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DrawingBoard1.Load

   End Sub

End Class