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LoadAnnotations(String) Method

Summary

Loads the annotation container(s) in a cell.

Syntax

C++

public void LoadAnnotations(  
   string fileName 
)

Public Overloads Sub LoadAnnotations( _ 
   ByVal fileName As String _ 
)

public: 
void LoadAnnotations(  
   String^ fileName 
)

Parameters

fileName
A string that contains the path to the file being loaded.

Remarks

This method will load the annotations to a file. To save the annotations, use the SaveAnnotations(String) method.

For more information, refer to Working With Annotations.

Example

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 MedicalViewerForm9 : 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 GetMedicalControl9() As MedicalViewerForm9 
    Return New MedicalViewerForm9() 
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 MedicalViewerSaveAnnotationExample() 
    Dim myForm As MedicalViewerForm9 = GetMedicalControl9() 
    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 MedicalViewerForm9 : 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 MedicalViewerForm9() 
    { 
        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(); 
    } 
} 
 
 
MedicalViewerForm9 GetMedicalControl9() 
{ 
    return new MedicalViewerForm9(); 
} 
 
// 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. 
public void MedicalViewerSaveAnnotationExample() 
{ 
    MedicalViewerForm9 myForm = GetMedicalControl9(); 
    MedicalViewer medicalViewer = myForm.Viewer; 
 
    myForm.ShowDialog(); 
} 
 
 
static class LEAD_VARS 
{ 
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
}