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MedicalViewerChangingWindowLevelEventArgs Class

Summary

The MedicalViewerChangingWindowLevelEventArgs class provides data for the MedicalViewerBaseCell.ChangingWindowLevel event.

Syntax

C++

public class MedicalViewerChangingWindowLevelEventArgs : System.EventArgs

Public Class MedicalViewerChangingWindowLevelEventArgs  
   Inherits System.EventArgs

public ref class MedicalViewerChangingWindowLevelEventArgs : public System.EventArgs

Example

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.MedicalViewer 
 
Private Class MedicalViewerForm 
   Inherits Form 
   Private _medicalViewer As MedicalViewer 
   Public Sub New() 
      Dim _codecs As 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) 
 
      ' Load an image and then add it to the control. 
      _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "xa.dcm")) 
      Dim cell As New MedicalViewerMultiCell(_image, True, 1, 1) 
 
      ' add window level action that will be used to change the properties of the images inside the control. 
      cell.AddAction(MedicalViewerActionType.WindowLevel) 
 
      ' 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.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) 
 
      _medicalViewer.Cells.Add(cell) 
 
      ' 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) 
 
      Controls.Add(_medicalViewer) 
      _medicalViewer.Dock = DockStyle.Fill 
   End Sub 
 
   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 ReadOnly Property Viewer() As MedicalViewer 
      Get 
         Return _medicalViewer 
      End Get 
   End Property 
End Class 
 
Private Function GetMedicalControl() As MedicalViewerForm 
   Return New MedicalViewerForm() 
End Function 
 
' When the user uses the window level tool, this example displays the previous and new window level values. 
<TestMethod()> _ 
Public Sub MedicalViewerAnnotationCreatedExample() 
   Dim myForm As MedicalViewerForm = GetMedicalControl() 
   Dim medicalViewer As MedicalViewer = myForm.Viewer 
   Dim cell As MedicalViewerMultiCell = CType(medicalViewer.Cells(0), MedicalViewerMultiCell) 
 
   AddHandler cell.ChangingWindowLevel, AddressOf medicalViewer_ChangingWindowLevel 
   myForm.ShowDialog() 
End Sub 
 
Private Sub medicalViewer_ChangingWindowLevel(ByVal sender As Object, ByVal e As Leadtools.MedicalViewer.MedicalViewerChangingWindowLevelEventArgs) 
   Dim msg As String = String.Format(Constants.vbLf & "Sub Cell Index: {0}" & "Previous Window Center: {1}" & Constants.vbLf & _ 
                                     "Previous Window Width: {2}" & Constants.vbLf & "New Window Center: {3}" & Constants.vbLf & _ 
                                     "New Window Width{4}", e.SubCellIndex, e.OldCenter, e.OldWidth, e.Center, e.Width) 
   Console.WriteLine(msg) 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
 
class MedicalViewerForm : Form 
{ 
   private MedicalViewer _medicalViewer; 
   public MedicalViewerForm() 
   { 
      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); 
 
      // 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); 
 
      // add window level action that will be used to change the properties of the images inside the control. 
      cell.AddAction(MedicalViewerActionType.WindowLevel); 
 
      // 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.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
 
      _medicalViewer.Cells.Add(cell); 
 
      // 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); 
 
      Controls.Add(_medicalViewer); 
      _medicalViewer.Dock = DockStyle.Fill; 
   } 
 
   void MedicalViewerForm_SizeChanged(object sender, EventArgs e) 
   { 
      _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); 
   } 
   public MedicalViewer Viewer 
   { 
      get { return _medicalViewer; } 
   } 
} 
 
MedicalViewerForm GetMedicalControl() 
{ 
   return new MedicalViewerForm(); 
} 
 
// When the user uses the window level tool, this example displays the previous and new window level values. 
public void MedicalViewerAnnotationCreatedExample() 
{ 
   MedicalViewerForm myForm = GetMedicalControl(); 
   MedicalViewer medicalViewer = myForm.Viewer; 
   MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(medicalViewer.Cells[0]); 
 
   cell.ChangingWindowLevel += new EventHandler<Leadtools.MedicalViewer.MedicalViewerChangingWindowLevelEventArgs>(medicalViewer_ChangingWindowLevel); 
   myForm.ShowDialog(); 
} 
 
void medicalViewer_ChangingWindowLevel(object sender, Leadtools.MedicalViewer.MedicalViewerChangingWindowLevelEventArgs e) 
{ 
   string msg = string.Format("\nSub Cell Index: {0}\nPrevious Window Center: {1}\nPrevious Window Width: {2}\nNew Window Center: {3}\nNew Window Width{4}", 
      e.SubCellIndex, 
      e.OldCenter, 
      e.OldWidth, 
      e.Center, 
      e.Width); 
   Console.WriteLine(msg); 
} 
 
static class LEAD_VARS 
{ 
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
}