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LoadRegion(String,Int32) Method
See Also  Example
Leadtools.MedicalViewer Namespace > MedicalViewerCell Class > LoadRegion Method : LoadRegion(String,Int32) Method



fileName
A string that contains the path to the file that contains the region(s) to load.
subCellIndex
Index of the sub-cell that contains the image being loaded.
Loads regions from a file in the specified sub-cell image.

Syntax

Visual Basic (Declaration) 
Public Overloads Sub LoadRegion( _
   ByVal fileName As String, _
   ByVal subCellIndex As Integer _
)
Visual Basic (Usage)Copy Code
Dim instance As MedicalViewerCell
Dim fileName As String
Dim subCellIndex As Integer
 
instance.LoadRegion(fileName, subCellIndex)
C# 
public void LoadRegion( 
   string fileName,
   int subCellIndex
)
C++/CLI 
public:
void LoadRegion( 
   String^ fileName,
   int subCellIndex
)

Parameters

fileName
A string that contains the path to the file that contains the region(s) to load.
subCellIndex
Index of the sub-cell that contains the image being loaded.

Example

Visual BasicCopy Code
Private Class MedicalViewerForm7 : 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()
      RasterCodecs.Startup()
      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)

      ' add some action that will be used to change the properties of the images inside the control.
      _medicalViewer.AddAction(MedicalViewerActionType.WindowLevel)
      _medicalViewer.AddAction(MedicalViewerActionType.Alpha)
      _medicalViewer.AddAction(MedicalViewerActionType.Offset)

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

      ' Load an image and then add it to the control.
      _image = _codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "xa.dcm")
      _medicalViewer.Cells.Add(New MedicalViewerCell(_image, True, 1, 1))

      ' adjust some properties to 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(LeadtoolsExamples.Common.ImagesPath.Path + "mr.dcm")
      _medicalViewer.Cells.Add(New MedicalViewerCell(_image, True, 2, 2))

      ' adjust some properties to 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)


      RasterCodecs.Shutdown()
      Controls.Add(_medicalViewer)
   End Sub
   Public ReadOnly Property Viewer() As MedicalViewer
      Get
         Return _medicalViewer
      End Get
   End Property
End Class
Private Function GetMedicalControl7() As MedicalViewerForm7
   Return New MedicalViewerForm7()
End Function

' This example will create a bitmap region on the first frame of the first image and save it.

Public Sub MedicalViewerSaveRegionExample()
   Dim myForm As MedicalViewerForm7 = GetMedicalControl7()
   Dim medicalViewer As MedicalViewer = myForm.Viewer

   Dim width As Integer = medicalViewer.Cells(0).Image.Width
   Dim height As Integer = medicalViewer.Cells(0).Image.Height
   Dim centerX As Integer = (width / 2)
   Dim centerY As Integer = (height / 2)

   Dim region As Region = New Region(New Rectangle(centerX - width / 4, centerY - height / 4, centerX + width / 4, centerY + height / 4))

   medicalViewer.Cells(0).Image.AddGdiPlusRegionToRegion(Nothing, region, RasterRegionCombineMode.Set)
   medicalViewer.Cells(0).SaveRegion(LeadtoolsExamples.Common.ImagesPath.Path + "Test.rgn")

   myForm.ShowDialog()
End Sub
C#Copy Code
class MedicalViewerForm7 : Form 
{ 
    private MedicalViewer _medicalViewer; 
    void MedicalViewerForm_SizeChanged(object sender, EventArgs e) 
    { 
        _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); 
    } 
 
    public MedicalViewerForm7() 
    { 
        RasterCodecs.Startup(); 
        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); 
 
        // add some action that will be used to change the properties of the images inside the control. 
        _medicalViewer.AddAction(MedicalViewerActionType.WindowLevel); 
        _medicalViewer.AddAction(MedicalViewerActionType.Alpha); 
        _medicalViewer.AddAction(MedicalViewerActionType.Offset); 
 
        // assign the added actions to a mouse button, meaning that when the user click and drag the mouse button, the associted action will be activated. 
        _medicalViewer.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime); 
        _medicalViewer.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime); 
        _medicalViewer.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime); 
 
        // Load an image and then add it to the control. 
        _image = _codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "xa.dcm"); 
        _medicalViewer.Cells.Add(new MedicalViewerCell(_image, true, 1, 1)); 
 
        // adjust some properties to 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(LeadtoolsExamples.Common.ImagesPath.Path + "mr.dcm"); 
        _medicalViewer.Cells.Add(new MedicalViewerCell(_image, true, 2, 2)); 
 
        // adjust some properties to 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); 
 
 
        RasterCodecs.Shutdown(); 
        Controls.Add(_medicalViewer); 
    } 
    public MedicalViewer Viewer 
    { 
        get { return _medicalViewer; } 
    } 
} 
MedicalViewerForm7 GetMedicalControl7() 
{ 
    return new MedicalViewerForm7(); 
} 
 
// This example will create a bitmap region on the first frame of the first image and save it. 
 
public void MedicalViewerSaveRegionExample() 
{ 
    MedicalViewerForm7 myForm = GetMedicalControl7(); 
    MedicalViewer medicalViewer = myForm.Viewer; 
 
    int width = medicalViewer.Cells[0].Image.Width; 
    int height = medicalViewer.Cells[0].Image.Height; 
    int centerX = (width / 2); 
    int centerY = (height / 2); 
 
    Region region = new Region(new Rectangle(centerX - width / 4, centerY - height / 4, centerX + width / 4, centerY + height / 4)); 
 
    medicalViewer.Cells[0].Image.AddGdiPlusRegionToRegion(null, region, RasterRegionCombineMode.Set); 
    medicalViewer.Cells[0].SaveRegion(LeadtoolsExamples.Common.ImagesPath.Path + "Test.rgn"); 
 
    myForm.ShowDialog(); 
}

Remarks

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also

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