WindowLevelChanged Event

Summary
Occurs when the user changes the window-level values with the mouse using the WindowLevel action.
Syntax
C#
C++/CLI
public event EventHandler<Medical3DWindowLevelEventArgs> WindowLevelChanged 
public: 
event EventHandler<Medical3DWindowLevelEventArgs^>^ WindowLevelChanged 
Event Data

The event handler receives an argument of type Medical3DWindowLevelEventArgs containing data related to this event. The following Medical3DWindowLevelEventArgs properties provide information specific to this event.

PropertyDescription
Center Gets the window-level center value.
ObjectIndex Gets the index of the object being affected by the window-level action.
Width Gets the window-level width value.
Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
using Leadtools.Medical3D; 
 
public void Medical3DControlExample() 
{ 
   Medical3DLoadDICOMSeriesExamples LoadObject = new Medical3DLoadDICOMSeriesExamples(); 
   MedicalViewerSeriesManager output = LoadObject.LoadJamesHead(); 
 
   MainForm1 form = new MainForm1(output); 
   form.ShowDialog(); 
} 
 
// MainForm1 will be the owner of the medical viewer control. 
class MainForm1 : Form 
{ 
   private Medical3DControl _medical3DControl; 
 
   public MainForm1(MedicalViewerSeriesManager output) 
   { 
      RasterCodecs _codecs = new RasterCodecs(); 
      RasterImage _image; 
 
      CodecsImageInfo codecsInformation; 
 
      _medical3DControl = new Medical3DControl(); 
      this.SizeChanged += new EventHandler(MainForm1_SizeChanged); 
      this.FormClosing += new FormClosingEventHandler(MainForm1_FormClosing); 
 
      _medical3DControl.ObjectsContainer.Objects.Add(new Medical3DObject()); 
 
      int index; 
 
      codecsInformation = _codecs.GetInformation((string)output.Stacks[0].Items[0].Data, true); 
 
 
      int width = codecsInformation.Width; 
      int height = codecsInformation.Height; 
      int depth = 256; 
 
      _medical3DControl.ObjectsContainer.Objects[0].MemoryEfficientInit(depth); 
 
      for (index = 0; index < depth; index++) 
      { 
 
         _image = _codecs.Load((string)output.Stacks[0].Items[index].Data, 0, CodecsLoadByteOrder.BgrOrGrayOrRomm, 1, 1); 
         _medical3DControl.ObjectsContainer.Objects[0].MemoryEfficientSetFrame(_image, index, output.Stacks[0].Items[index].ImagePosition, true); 
      } 
 
      string spearator = ("\\"); 
      string[] test = output.Stacks[0].Items[0].ImageOrientation.Split(spearator.ToCharArray()); 
      float[] orientation = new float[6]; 
      int i; 
      for (i = 0; i < 6; i++) 
      { 
         orientation[i] = (float)Convert.ToDouble(test[i]); 
      } 
 
      _medical3DControl.ObjectsContainer.Objects[0].MemoryEfficientEnd(orientation, output.Stacks[0].PixelSpacing); 
 
      _medical3DControl.AddAction(MedicalViewerActionType.WindowLevel); 
      _medical3DControl.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
 
      _medical3DControl.SetTag(1, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, ""); 
 
      _medical3DControl.WindowLevelChanged += new EventHandler<Medical3DWindowLevelEventArgs>(_medical3DControl_WindowLevelChanged); 
 
      Controls.Add(_medical3DControl); 
   } 
 
   void _medical3DControl_WindowLevelChanged(object sender, Medical3DWindowLevelEventArgs e) 
   { 
      string myString = "W" + e.Width.ToString() + "  L " + e.Center.ToString(); 
      _medical3DControl.EditTag(1, MedicalViewerTagAlignment.TopLeft, new MedicalViewerTagInformation(1, MedicalViewerTagAlignment.TopLeft, myString, MedicalViewerTagType.UserData)); 
   } 
 
   void MainForm1_FormClosing(object sender, FormClosingEventArgs e) 
   { 
      _medical3DControl.Dispose(); 
   } 
 
   void MainForm1_SizeChanged(object sender, EventArgs e) 
   { 
      if (_medical3DControl != null) 
         _medical3DControl.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); 
   } 
} 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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Leadtools.Medical3D Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.