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ResetWindowLevelValues() Method
See Also  Example
Leadtools.MedicalViewer Namespace > MedicalViewerCell Class > ResetWindowLevelValues Method : ResetWindowLevelValues() Method



Resets the image window level to its default values.

Syntax

Visual Basic (Declaration) 
Public Overloads Sub ResetWindowLevelValues()
Visual Basic (Usage)Copy Code
Dim instance As MedicalViewerCell
 
instance.ResetWindowLevelValues()
C# 
public void ResetWindowLevelValues()
C++/CLI 
public:
void ResetWindowLevelValues();

Example

Visual BasicCopy Code
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()
      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 GetMedicalControl() As MedicalViewerForm
   Return New MedicalViewerForm()
End Function

' This examples changes the default window level value by decrease the width by 100. Then resets the images based on the new value.
<Test> _
Public Sub MedicalViewerWindowLevelExample()
   Dim myForm As MedicalViewerForm = GetMedicalControl()
   Dim medicalViewer As MedicalViewer = myForm.Viewer

   Dim windowLevelValues As MedicalViewerWindowLevelValues = medicalViewer.Cells(0).GetDefaultWindowLevelValues(0)

   windowLevelValues.Width -= 100

   medicalViewer.Cells(0).SetDefaultWindowLevelValues(0, windowLevelValues.Width, windowLevelValues.Center)

   medicalViewer.Cells(0).ResetWindowLevelValues(0)

   myForm.ShowDialog()
End Sub
C#Copy Code
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.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; } 
   } 
} 
 
MedicalViewerForm GetMedicalControl() 
{ 
   return new MedicalViewerForm(); 
} 
 
// This examples changes the default window level value by decrease the width by 100. Then resets the images based on the new value. 
 
public void MedicalViewerWindowLevelExample() 
{ 
   MedicalViewerForm myForm = GetMedicalControl(); 
   MedicalViewer medicalViewer = myForm.Viewer; 
 
   MedicalViewerWindowLevelValues windowLevelValues = medicalViewer.Cells[0].GetDefaultWindowLevelValues(0); 
 
   windowLevelValues.Width -= 100; 
 
   medicalViewer.Cells[0].SetDefaultWindowLevelValues(0, windowLevelValues.Width, windowLevelValues.Center); 
 
   medicalViewer.Cells[0].ResetWindowLevelValues(0); 
 
   myForm.ShowDialog(); 
}

Remarks

  • The window level default values are set either internally by the letting the control calculate it, or explicitly be using the SetDefaultWindowLevelValues method.

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