PointToImage(Int32,Point) Method

'Declaration
 
Public Overloads Function PointToImage( _
   ByVal subCellIndex As Integer, _
   ByVal point As Point _
) As Point

Private Class MedicalViewerForm6 : Inherits Form
         Private _medicalViewer As MedicalViewer
         Private Sub MedicalViewerForm_SizeChanged(ByVal sender As Object, ByVal e As EventArgs)
             _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)
         End Sub

         Public Sub New()
             Dim _codecs As RasterCodecs = New RasterCodecs()
             Dim _image As RasterImage

             AddHandler SizeChanged, AddressOf MedicalViewerForm_SizeChanged

             ' Create the medical viewer and adjust the size and the location.
             _medicalViewer = New MedicalViewer(1, 2)
             _medicalViewer.Location = New Point(0, 0)
             _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)

             ' Load an image and then add it to the control.
             _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "xa.dcm"))
             Dim cell As MedicalViewerMultiCell = New MedicalViewerMultiCell(_image, True, 1, 1)
             _medicalViewer.Cells.Add(cell)

             ' adjust some properties of the cell and add some tags.
             _medicalViewer.Cells(0).SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448")
             _medicalViewer.Cells(0).SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame)
             _medicalViewer.Cells(0).SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale)
             _medicalViewer.Cells(0).SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData)
             _medicalViewer.Cells(0).SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView)


             ' Load another image and then add it to the control.
             _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "mr.dcm"))
             _medicalViewer.Cells.Add(New MedicalViewerMultiCell(_image, True, 2, 2))


             ' adjust some properties of the cell and add some tags.
             _medicalViewer.Cells(1).SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448")
             _medicalViewer.Cells(1).SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame)
             _medicalViewer.Cells(1).SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale)
             _medicalViewer.Cells(1).SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData)
             _medicalViewer.Cells(1).SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView)


             Controls.Add(_medicalViewer)
             _medicalViewer.Dock = DockStyle.Fill
         End Sub
         Public ReadOnly Property Viewer() As MedicalViewer
             Get
                 Return _medicalViewer
             End Get
         End Property
     End Class

     Private Function GetMedicalControl6() As MedicalViewerForm6
         Return New MedicalViewerForm6()
     End Function

     ' this example draw dots on the image when clicking on it using the left mouse button.

     Public Sub MedicalViewerPointToImageExample()
         Dim myForm As MedicalViewerForm6 = GetMedicalControl6()
         Dim medicalViewer As MedicalViewer = myForm.Viewer
         Dim cell As MedicalViewerMultiCell = CType(medicalViewer.Cells(0), MedicalViewerMultiCell)

         AddHandler cell.CellMouseDown, AddressOf medicalViewer_CellMouseDown

         myForm.ShowDialog()
     End Sub

     Private Sub medicalViewer_CellMouseDown(ByVal sender As Object, ByVal e As MedicalViewerCellMouseEventArgs)
         Dim viewer As MedicalViewer = CType(sender, MedicalViewer)
         Dim point As Point
         Dim cell As MedicalViewerMultiCell = CType(viewer.Cells(0), MedicalViewerMultiCell)

         cell.Image.Page = e.SubCellIndex + 1
         point = cell.PointToImage(New Point(e.X, e.Y))
         cell.Image.SetPixelColor(point.Y, point.X, New RasterColor(255, 255, 255))
         cell.Invalidate()
     End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class