MedicalViewerNudgeTool Class

'Declaration
 
Public Class MedicalViewerNudgeTool 
   Inherits MedicalViewerBaseAction

Private Class MedicalViewerForm : 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)

             ' add some actions that will be used to change the properties of the images inside the control.
             cell.AddAction(MedicalViewerActionType.WindowLevel)
             cell.AddAction(MedicalViewerActionType.Alpha)
             cell.AddAction(MedicalViewerActionType.Offset)
             cell.AddAction(MedicalViewerActionType.NudgeTool)

             ' assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated.
             cell.SetAction(MedicalViewerActionType.NudgeTool, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active)
             cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active)
             cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active)

             ' 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))

             ' add some actions that will be used to change the properties of the images inside the control.
             _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.WindowLevel)
             _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.Alpha)
             _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.Offset)
             _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.RectangleRegion)

             ' assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated.
             _medicalViewer.Cells(1).SetAction(MedicalViewerActionType.RectangleRegion, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active)
             _medicalViewer.Cells(1).SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active)
             _medicalViewer.Cells(1).SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active)

             ' 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 GetMedicalControl() As MedicalViewerForm
         Return New MedicalViewerForm()
     End Function

     ' This example creates a rectangular nudge tool brush, and assign it to the left mouse button.

     Public Sub MedicalViewerNudgeToolExample1()
         Dim myForm As MedicalViewerForm = GetMedicalControl()
         Dim medicalViewer As MedicalViewer = myForm.Viewer
         Dim cell As MedicalViewerMultiCell = CType(medicalViewer.Cells(0), MedicalViewerMultiCell)

         Dim nudgeProperties As MedicalViewerNudgeTool = CType(cell.GetActionProperties(MedicalViewerActionType.NudgeTool), MedicalViewerNudgeTool)
         nudgeProperties.Height = 100
         nudgeProperties.Width = 50
         nudgeProperties.Shape = MedicalViewerNudgeToolShape.Rectangle

         cell.SetActionProperties(MedicalViewerActionType.NudgeTool, nudgeProperties)

         myForm.ShowDialog()
     End Sub

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