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LEADTOOLS Medical (Leadtools.MedicalViewer assembly)
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SaveAnnotations(Stream) Method






Leadtools.MedicalViewer Namespace > MedicalViewerBaseCell Class > SaveAnnotations Method : SaveAnnotations(Stream) Method
A System.IO.Stream to save the annotation container to.
Saves the annotation container(s) of a cell to a file.
Syntax
public void SaveAnnotations(    Stream stream )
'Declaration   Public Overloads Sub SaveAnnotations( _    ByVal stream As Stream _ )
'Usage   Dim instance As MedicalViewerBaseCell Dim stream As Stream   instance.SaveAnnotations(stream)
public: void SaveAnnotations(    Stream^ stream )

Parameters

stream
A System.IO.Stream to save the annotation container to.
Remarks
This method will save annotations to a file.

To load the annotations, use the MedicalViewerMultiCell.LoadAnnotations method.

For more information, refer to Working With Annotations.

Example
Copy Code   
Imports Leadtools
Imports Leadtools.Drawing
Imports Leadtools.Codecs
Imports Leadtools.MedicalViewer
Imports Leadtools.ImageProcessing
Imports Leadtools.Annotations.Core
Imports Leadtools.Annotations.Designers
Imports Leadtools.Annotations.Rendering

Private Class MedicalViewerForm16 : Inherits Form
    Private _medicalViewer As MedicalViewer
    Private LoadAnnotation As Button
    Private SaveAnnotation As Button
    Private Sub MedicalViewerForm_SizeChanged(ByVal sender As Object, ByVal e As EventArgs)
        _medicalViewer.Bounds = New Rectangle(0, 100, Me.ClientRectangle.Right, Me.ClientRectangle.Bottom - 100)
    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, 100)
        _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom - 100)

        ' 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)



        LoadAnnotation = New Button()
        LoadAnnotation.Bounds = New Rectangle(10, 10, 100, 30)
        LoadAnnotation.Text = "Load Annotation"
        AddHandler LoadAnnotation.Click, AddressOf LoadAnnotation_Click

        SaveAnnotation = New Button()
        SaveAnnotation.Bounds = New Rectangle(110, 10, 100, 30)
        SaveAnnotation.Text = "Save Annotation"
        AddHandler SaveAnnotation.Click, AddressOf SaveAnnotation_Click

        Controls.AddRange(New Control() {_medicalViewer, LoadAnnotation, SaveAnnotation})

    End Sub

    Public ReadOnly Property Viewer() As MedicalViewer
        Get
            Return _medicalViewer
        End Get
    End Property

    Private Function GetFileStream() As FileStream
        Dim fs As FileStream
        If File.Exists(Path.Combine(LEAD_VARS.ImagesDir, "SavedAnnotation.ann")) Then
            fs = New FileStream(Path.Combine(LEAD_VARS.ImagesDir, "SavedAnnotation.ann"), FileMode.Open)
        Else
            fs = File.Create(Path.Combine(LEAD_VARS.ImagesDir, "SavedAnnotation.ann"))
        End If

        Return fs
    End Function

    Private Sub SaveAnnotation_Click(ByVal sender As Object, ByVal e As EventArgs)
        Dim fs As FileStream = GetFileStream()
        Dim cell As MedicalViewerMultiCell = CType(_medicalViewer.Cells(0), MedicalViewerMultiCell)

        cell.SaveAnnotations(fs, 0)
        fs.Close()
    End Sub

    Private Sub LoadAnnotation_Click(ByVal sender As Object, ByVal e As EventArgs)
        Dim fs As FileStream = GetFileStream()
        Dim cell As MedicalViewerMultiCell = CType(_medicalViewer.Cells(0), MedicalViewerMultiCell)

        cell.LoadAnnotations(fs, 0)
        fs.Close()
    End Sub
End Class


Private Function GetMedicalControl16() As MedicalViewerForm16
    Return New MedicalViewerForm16()
End Function

' This example copied the annotation container of the sub-cell when user right clicks on it, and paste the annotation container on the sub-cell that the user click on it using the left mouse button.
<TestMethod()> _
Public Sub MedicalViewerSaveAnnotationStreamExample()
    Dim myForm As MedicalViewerForm16 = GetMedicalControl16()
    Dim medicalViewer As MedicalViewer = myForm.Viewer

    myForm.ShowDialog()
End Sub


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

class MedicalViewerForm16 : Form
{
    private MedicalViewer _medicalViewer;
    Button LoadAnnotation;
    Button SaveAnnotation;
    void MedicalViewerForm_SizeChanged(object sender, EventArgs e)
    {
        _medicalViewer.Bounds = new Rectangle(0, 100, this.ClientRectangle.Right, this.ClientRectangle.Bottom - 100);
    }


    public MedicalViewerForm16()
    {
        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, 100);
        _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom - 100);

        // 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);



        LoadAnnotation = new Button();
        LoadAnnotation.Bounds = new Rectangle(10, 10, 100, 30);
        LoadAnnotation.Text = "Load Annotation";
        LoadAnnotation.Click += new EventHandler(LoadAnnotation_Click);

        SaveAnnotation = new Button();
        SaveAnnotation.Bounds = new Rectangle(110, 10, 100, 30);
        SaveAnnotation.Text = "Save Annotation";
        SaveAnnotation.Click += new EventHandler(SaveAnnotation_Click);

        Controls.AddRange(new Control[] { _medicalViewer, LoadAnnotation, SaveAnnotation });

    }

    public MedicalViewer Viewer
    {
        get { return _medicalViewer; }
    }

    FileStream GetFileStream()
    {
        FileStream fs;
        if (File.Exists(Path.Combine(LEAD_VARS.ImagesDir,"SavedAnnotation.ann")))
            fs = new FileStream(Path.Combine(LEAD_VARS.ImagesDir,"SavedAnnotation.ann"), FileMode.Open);
        else
            fs = File.Create(Path.Combine(LEAD_VARS.ImagesDir,"SavedAnnotation.ann"));

        return fs;
    }

    void SaveAnnotation_Click(object sender, EventArgs e)
    {
        FileStream fs = GetFileStream();
        MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(_medicalViewer.Cells[0]);

        cell.SaveAnnotations(fs, 0);
        fs.Close();
    }

    void LoadAnnotation_Click(object sender, EventArgs e)
    {
        FileStream fs = GetFileStream();
        MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(_medicalViewer.Cells[0]);

        cell.LoadAnnotations(fs, 0);
        fs.Close();
    }
}


MedicalViewerForm16 GetMedicalControl16()
{
    return new MedicalViewerForm16();
}

// This example copied the annotation container of the sub-cell when user right clicks on it, and paste the annotation container on the sub-cell that the user click on it using the left mouse button.
[TestMethod]
public void MedicalViewerSaveAnnotationStreamExample()
{
    MedicalViewerForm16 myForm = GetMedicalControl16();
    MedicalViewer medicalViewer = myForm.Viewer;

    myForm.ShowDialog();
}


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

Target Platforms

See Also

Reference

MedicalViewerBaseCell Class
MedicalViewerBaseCell Members
Overload List

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