Public Class MedicalViewerAnnotationArrow 
   Inherits MedicalViewerAnnotation

Dim instance As MedicalViewerAnnotationArrow

public class MedicalViewerAnnotationArrow : MedicalViewerAnnotation 

public ref class MedicalViewerAnnotationArrow : public MedicalViewerAnnotation 

Private Class MedicalViewerForm : Inherits Form
      Private _medicalViewer As MedicalViewer
      Public Sub New()
         Dim _codecs As RasterCodecs = New RasterCodecs()
         Dim _image As RasterImage

         ' 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)

         ' add some action 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.AnnotationArrow)

         ' assign the added actions to a mouse button, meaning that when the user click and drag the mouse button, the associated action will be activated.
         cell.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active Or MedicalViewerActionFlags.RealTime)
         cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active Or MedicalViewerActionFlags.RealTime)
         cell.SetAction(MedicalViewerActionType.AnnotationArrow, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active Or MedicalViewerActionFlags.RealTime)

         _medicalViewer.Cells.Add(cell)

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


   Public Sub MedicalViewerAnnotationArrowExample()
      Dim myForm As MedicalViewerForm = GetMedicalControl()
      Dim medicalViewer As MedicalViewer = myForm.Viewer

      Dim cell As MedicalViewerMultiCell = CType(medicalViewer.Cells(0), MedicalViewerMultiCell)
      Dim arrow As MedicalViewerAnnotationArrow = New MedicalViewerAnnotationArrow()
      arrow.AnnotationColor = Color.FromArgb(0, 0, 255)
      arrow.Flags = MedicalViewerAnnotationFlags.AllObjects
      cell.SetActionProperties(MedicalViewerActionType.AnnotationArrow, arrow)
      myForm.ShowDialog()
   End Sub


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

class MedicalViewerForm : Form
   {
      private MedicalViewer _medicalViewer;
      public MedicalViewerForm()
      {
         RasterCodecs _codecs = new RasterCodecs();
         RasterImage _image;

         // 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(this.ClientRectangle.Right, this.ClientRectangle.Bottom);

         // Load an image and then add it to the control.
         _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir,"xa.dcm"));
         MedicalViewerMultiCell cell = new MedicalViewerMultiCell(_image, true, 1, 1);

         // add some action 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.AnnotationArrow);

         // assign the added actions to a mouse button, meaning that when the user click and drag the mouse button, the associated action will be activated.
         cell.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime);
         cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime);
         cell.SetAction(MedicalViewerActionType.AnnotationArrow, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime);

         _medicalViewer.Cells.Add(cell);

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

         Controls.Add(_medicalViewer);
         _medicalViewer.Dock = DockStyle.Fill;
      }
      public MedicalViewer Viewer
      {
         get { return _medicalViewer; }
      }
   }

   MedicalViewerForm GetMedicalControl()
   {
      return new MedicalViewerForm();
   }


   public void MedicalViewerAnnotationArrowExample()
   {
      MedicalViewerForm myForm = GetMedicalControl();
      MedicalViewer medicalViewer = myForm.Viewer;

      MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(medicalViewer.Cells[0]);
      MedicalViewerAnnotationArrow arrow = new MedicalViewerAnnotationArrow();
      arrow.AnnotationColor = Color.FromArgb(0, 0, 255);
      arrow.Flags = MedicalViewerAnnotationFlags.AllObjects;
      cell.SetActionProperties(MedicalViewerActionType.AnnotationArrow, arrow);
      myForm.ShowDialog();
   }


static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}