CameraZoomed Event

Occurs when the user zooms the camera with the mouse using the ZoomCamera action.

Syntax

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++/CLI

public event EventHandler<Medical3DCameraEventArgs> CameraZoomed

'Declaration
 
Public Event CameraZoomed As EventHandler(Of Medical3DCameraEventArgs)

'Usage
 
Dim instance As Medical3DControl
Dim handler As EventHandler(Of Medical3DCameraEventArgs)
 
AddHandler instance.CameraZoomed, handler

public event EventHandler<Medical3DCameraEventArgs> CameraZoomed

add_CameraZoomed(function(sender, e))
remove_CameraZoomed(function(sender, e))

public:
event EventHandler<Medical3DCameraEventArgs^>^ CameraZoomed

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Public Sub Medical3DControlExample()
   Dim LoadObject As Medical3DLoadDICOMSeriesExamples = New Medical3DLoadDICOMSeriesExamples()
   Dim output As MedicalViewerSeriesManager = LoadObject.LoadJamesHead()

   Dim form As MainForm1 = New MainForm1(output)
   form.ShowDialog()
End Sub

' MainForm1 will be the owner of the medical viewer control.
Private Class MainForm1 : Inherits Form
   Private _medical3DControl As Medical3DControl

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

      Dim codecsInformation As CodecsImageInfo

      _medical3DControl = New Medical3DControl()
      AddHandler SizeChanged, AddressOf MainForm1_SizeChanged
      AddHandler FormClosing, AddressOf MainForm1_FormClosing


      _medical3DControl.ObjectsContainer.Objects.Add(New Medical3DObject())

      Dim index As Integer

      codecsInformation = _codecs.GetInformation(CStr(output.Stacks(0).Items(0).Data), True)


      Dim width As Integer = codecsInformation.Width
      Dim height As Integer = codecsInformation.Height
      Dim depth As Integer = 256

      _medical3DControl.ObjectsContainer.Objects(0).MemoryEfficientInit(depth)

      index = 0
      Do While index < depth

         _image = _codecs.Load(CStr(output.Stacks(0).Items(index).Data), 0, CodecsLoadByteOrder.BgrOrGrayOrRomm, 1, 1)
         _medical3DControl.ObjectsContainer.Objects(0).MemoryEfficientSetFrame(_image, index, output.Stacks(0).Items(index).ImagePosition, True)
         index += 1
      Loop

      Dim spearator As String = ("\")
      Dim test As String() = output.Stacks(0).Items(0).ImageOrientation.Split(spearator.ToCharArray())
      Dim orientation As Single() = New Single(5) {}
      Dim i As Integer
      For i = 0 To 5
         orientation(i) = CSng(Convert.ToDouble(test(i)))
      Next i

      _medical3DControl.ObjectsContainer.Objects(0).MemoryEfficientEnd(orientation, output.Stacks(0).PixelSpacing)

      _medical3DControl.AddAction(MedicalViewerActionType.Scale)
      _medical3DControl.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active)

      _medical3DControl.SetTag(1, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "")

      AddHandler _medical3DControl.CameraZoomed, AddressOf _medical3DControl_CameraZoomed


      Controls.Add(_medical3DControl)
   End Sub

   Private Sub _medical3DControl_CameraZoomed(ByVal sender As Object, ByVal e As Medical3DCameraEventArgs)
      _medical3DControl.EditTag(1, MedicalViewerTagAlignment.TopLeft, New MedicalViewerTagInformation(1, MedicalViewerTagAlignment.TopLeft, "Camera Zoom =  " & _medical3DControl.ObjectsContainer.Camera.Zoom.ToString(), MedicalViewerTagType.UserData))
   End Sub

   Private Sub MainForm1_FormClosing(ByVal sender As Object, ByVal e As FormClosingEventArgs)
      _medical3DControl.Dispose()
   End Sub


   Private Sub MainForm1_SizeChanged(ByVal sender As Object, ByVal e As EventArgs)
      If Not _medical3DControl Is Nothing Then
         _medical3DControl.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)
      End If
   End Sub
End Class

public void Medical3DControlExample()
{
    Medical3DLoadDICOMSeriesExamples LoadObject = new Medical3DLoadDICOMSeriesExamples();
    MedicalViewerSeriesManager output = LoadObject.LoadJamesHead();

    MainForm1 form = new MainForm1(output);
    form.ShowDialog();
}

// MainForm1 will be the owner of the medical viewer control.
class MainForm1 : Form
{
    private Medical3DControl _medical3DControl;

    public MainForm1(MedicalViewerSeriesManager output)
    {
        RasterCodecs _codecs = new RasterCodecs();
        RasterImage _image;

        CodecsImageInfo codecsInformation;

        _medical3DControl = new Medical3DControl();
        this.SizeChanged += new EventHandler(MainForm1_SizeChanged);
        this.FormClosing += new FormClosingEventHandler(MainForm1_FormClosing);


        _medical3DControl.ObjectsContainer.Objects.Add(new Medical3DObject());

        int index;

        codecsInformation = _codecs.GetInformation((string)output.Stacks[0].Items[0].Data, true);


        int width = codecsInformation.Width;
        int height = codecsInformation.Height;
        int depth = 256;

        _medical3DControl.ObjectsContainer.Objects[0].MemoryEfficientInit(depth);

        for (index = 0; index < depth; index++)
        {

            _image = _codecs.Load((string)output.Stacks[0].Items[index].Data, 0, CodecsLoadByteOrder.BgrOrGrayOrRomm, 1, 1);
            _medical3DControl.ObjectsContainer.Objects[0].MemoryEfficientSetFrame(_image, index, output.Stacks[0].Items[index].ImagePosition, true);
        }

        string spearator = ("\\");
        string[] test = output.Stacks[0].Items[0].ImageOrientation.Split(spearator.ToCharArray());
        float[] orientation = new float[6];
        int i;
        for (i = 0; i < 6; i++)
        {
            orientation[i] = (float)Convert.ToDouble(test[i]);
        }

        _medical3DControl.ObjectsContainer.Objects[0].MemoryEfficientEnd(orientation, output.Stacks[0].PixelSpacing);

        _medical3DControl.AddAction(MedicalViewerActionType.Scale);
        _medical3DControl.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active);

        _medical3DControl.SetTag(1, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "");

        _medical3DControl.CameraZoomed += new EventHandler<Medical3DCameraEventArgs>(_medical3DControl_CameraZoomed);


        Controls.Add(_medical3DControl);
    }

    void _medical3DControl_CameraZoomed(object sender, Medical3DCameraEventArgs e)
    {
        _medical3DControl.EditTag(1, MedicalViewerTagAlignment.TopLeft, new MedicalViewerTagInformation(1, MedicalViewerTagAlignment.TopLeft, "Camera Zoom =  " + _medical3DControl.ObjectsContainer.Camera.Zoom.ToString(), MedicalViewerTagType.UserData));
    }

    void MainForm1_FormClosing(object sender, FormClosingEventArgs e)
    {
        _medical3DControl.Dispose();
    }


    void MainForm1_SizeChanged(object sender, EventArgs e)
    {
        if (_medical3DControl != null)
            _medical3DControl.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
    }
}

CameraZoomed Event

Reference