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LEADTOOLS Medical (Leadtools.MedicalViewer assembly)
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AnnotationClicked Event






Leadtools.MedicalViewer Namespace > MedicalViewerBaseCell Class : AnnotationClicked Event
Optional delegate method for additional processing.
Syntax
'Declaration   Public Event AnnotationClicked As EventHandler(Of MedicalViewerAnnotationClickedEventArgs)
'Usage   Dim instance As MedicalViewerBaseCell Dim handler As EventHandler(Of MedicalViewerAnnotationClickedEventArgs)   AddHandler instance.AnnotationClicked, handler
Event Data

The event handler receives an argument of type MedicalViewerAnnotationClickedEventArgs containing data related to this event. The following MedicalViewerAnnotationClickedEventArgs properties provide information specific to this event.

PropertyDescription
Button Gets an enumerated value that indicates which Mouse button was used to click on the annotation object.
CellIndex Gets the value that indicates the index of the cell that has the annotation that was clicked. This value is only valid if the cell is add to the MedicalViewer.
SubCellIndex Gets the value that indicates the index of the sub-cell that has the annotation that was clicked.
X Gets the value that indicates the X position for the pointer.
Y Gets the value that indicates the Y position for the pointer.
Example
Copy Code   
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.MedicalViewer

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.AnnotationRectangle)
          cell.AddAction(MedicalViewerActionType.AnnotationEllipse)
          cell.AddAction(MedicalViewerActionType.AnnotationHilite)

          ' 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.AnnotationRectangle, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active)
          cell.SetAction(MedicalViewerActionType.AnnotationEllipse, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active)
          cell.SetAction(MedicalViewerActionType.AnnotationHilite, 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.AnnotationRectangle)
          _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.AnnotationEllipse)
          _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.AnnotationHilite)

          ' 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.AnnotationRectangle, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active)
          _medicalViewer.Cells(1).SetAction(MedicalViewerActionType.AnnotationEllipse, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active)
          _medicalViewer.Cells(1).SetAction(MedicalViewerActionType.AnnotationHilite, 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 will convert the rectangle, ellipse or hilite annotation into region once the user clicks on them.
<TestMethod()> _
Public Sub MedicalViewerAnnotationClickedExample()
   Dim myForm As MedicalViewerForm = GetMedicalControl()
   Dim medicalViewer As MedicalViewer = myForm.Viewer

   Dim cell As MedicalViewerMultiCell = CType(medicalViewer.Cells(0), MedicalViewerMultiCell)
   AddHandler cell.AnnotationClicked, AddressOf medicalViewer_AnnotationClicked
   myForm.ShowDialog()
End Sub

Private Sub medicalViewer_AnnotationClicked(ByVal sender As Object, ByVal e As MedicalViewerAnnotationClickedEventArgs)
   Dim cell As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell)
   Dim attribute As MedicalViewerAnnotationAttributes = cell.GetSelectedAnnotationAttributes(e.SubCellIndex)
   Select Case attribute.Type
      Case MedicalViewerActionType.AnnotationRectangle, MedicalViewerActionType.AnnotationEllipse, MedicalViewerActionType.AnnotationHilite
         cell.ConvertAnnotationToRegion(RasterRegionCombineMode.Or, True)


   End Select
End Sub

Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
using Leadtools;
using Leadtools.Codecs;
using Leadtools.MedicalViewer;

class MedicalViewerForm : Form
{
   private MedicalViewer _medicalViewer;
   void MedicalViewerForm_SizeChanged(object sender, EventArgs e)
   {
      _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
   }

   public MedicalViewerForm()
   {
      RasterCodecs _codecs = new RasterCodecs();
      RasterImage _image;

      this.SizeChanged += new EventHandler(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(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);

      _medicalViewer.Cells.Add(cell);

      // add some actions that will be used to change the properties of the images inside the control.
      cell.AddAction(MedicalViewerActionType.AnnotationRectangle);
      cell.AddAction(MedicalViewerActionType.AnnotationEllipse);
      cell.AddAction(MedicalViewerActionType.AnnotationHilite);

      // 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.AnnotationRectangle, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active);
      cell.SetAction(MedicalViewerActionType.AnnotationEllipse, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active);
      cell.SetAction(MedicalViewerActionType.AnnotationHilite, 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.AnnotationRectangle);
      _medicalViewer.Cells[1].AddAction(MedicalViewerActionType.AnnotationEllipse);
      _medicalViewer.Cells[1].AddAction(MedicalViewerActionType.AnnotationHilite);

      // 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.AnnotationRectangle, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active);
      _medicalViewer.Cells[1].SetAction(MedicalViewerActionType.AnnotationEllipse, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active);
      _medicalViewer.Cells[1].SetAction(MedicalViewerActionType.AnnotationHilite, 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;
   }
   public MedicalViewer Viewer
   {
      get { return _medicalViewer; }
   }
}

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

//This example will convert the rectangle, ellipse or hilite annotation into region once the user clicks on them.
[TestMethod]
public void MedicalViewerAnnotationClickedExample()
{
   MedicalViewerForm myForm = GetMedicalControl();
   MedicalViewer medicalViewer = myForm.Viewer;

   MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(medicalViewer.Cells[0]);
   cell.AnnotationClicked += new EventHandler<MedicalViewerAnnotationClickedEventArgs>(medicalViewer_AnnotationClicked);
   myForm.ShowDialog();
}

void medicalViewer_AnnotationClicked(object sender, MedicalViewerAnnotationClickedEventArgs e)
{
   MedicalViewerMultiCell cell = (MedicalViewerMultiCell)sender;
   MedicalViewerAnnotationAttributes attribute = cell.GetSelectedAnnotationAttributes(e.SubCellIndex);
   switch (attribute.Type)
   {
      case MedicalViewerActionType.AnnotationRectangle:
      case MedicalViewerActionType.AnnotationEllipse:
      case MedicalViewerActionType.AnnotationHilite:
         cell.ConvertAnnotationToRegion(RasterRegionCombineMode.Or, true);
         break;


   }
}

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

Target Platforms

See Also

Reference

MedicalViewerBaseCell Class
MedicalViewerBaseCell Members

Error processing SSI file
Leadtools.MedicalViewer requires a Medical Imaging license and unlock key. For more information, refer to: Imaging Pro/Document/Medical Features