MedicalViewerPaintEventArgs Constructor

Summary
Initializes a new instance of the MedicalViewerPaintEventArgs class.
Syntax
C#
C++/CLI
            public: 
MedicalViewerPaintEventArgs(  
   Graphics^ graphics, 
   Rectangle clipRectangle, 
   int cellIndex, 
   int subCellIndex 
) 

Parameters

graphics
The System.Drawing.Graphics used to paint the item.

clipRectangle
The System.Drawing.Rectangle that represents the rectangle in which to paint.

cellIndex
the index of the cell that that the user tag will be drawn on.

subCellIndex
The zero-based index of the sub-cell that that the user tag will be drawn on.

Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
 
public void MedicalViewerEventsExample() 
{ 
   MainForm3 form = new MainForm3(); 
   form.ShowDialog(); 
} 
 
// MainForm1 will be the owner of the medical viewer control. 
class MainForm3 : Form 
{ 
   private MedicalViewer _medicalViewer; 
   private bool _mouseDown; 
 
   void _medicalViewer_UserActionMouseMove(object sender, MedicalViewerMouseEventArgs e) 
   { 
      // Increase the gamma of the image as the user drags the mouse. 
      if ((e.ActionID == 101) && _mouseDown) 
      { 
         ((MedicalViewerCell)sender).Image.PaintGamma += 1; 
         ((MedicalViewerCell)sender).Invalidate(); 
      } 
   } 
 
   void _medicalViewer_UserActionMouseUp(object sender, MedicalViewerMouseEventArgs e) 
   { 
      _mouseDown = false; 
   } 
 
   void _medicalViewer_UserActionMouseDown(object sender, MedicalViewerMouseEventArgs e) 
   { 
      _mouseDown = true; 
   } 
 
   void _medicalViewer_UserActionKeyDown(object sender, MedicalViewerKeyEventArgs e) 
   { 
      if (((MedicalViewerCell)sender).Image.PaintGamma > 1) 
         ((MedicalViewerCell)sender).Image.PaintGamma -= 1; 
   } 
 
   void _medicalViewer_UserActionKeyUp(object sender, MedicalViewerKeyEventArgs e) 
   { 
      ((MedicalViewerCell)sender).Invalidate(); 
   } 
 
   void _medicalViewer_CustomPaint(object sender, MedicalViewerPaintEventArgs e) 
   { 
      // draw red ellipse around the first frame of the first cell. 
      if ((e.CellIndex == 0) && (e.SubCellIndex == 0)) 
         e.Graphics.DrawEllipse(Pens.Red, e.ClipRectangle); 
   } 
 
   void _medicalViewer_UserTag(object sender, MedicalViewerUserTagEventArgs e) 
   { 
      // draw red string at the bottom right edge of the first cell. 
      if (e.CellIndex == 0) 
         e.Graphics.DrawString("Owner Draw", new Font(FontFamily.GenericSerif, 15), Brushes.Red, new PointF(e.ClipRectangle.Left, e.ClipRectangle.Top)); 
   } 
 
   public MainForm3() 
   { 
      RasterCodecs _codecs = new RasterCodecs(); 
      RasterImage _image; 
 
      // Create the medical viewer and adjust some properties. 
      _medicalViewer = new MedicalViewer(); 
      _medicalViewer.Rows = 1; 
      _medicalViewer.Columns = 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, "image3.dcm")); 
      MedicalViewerCell cell = new MedicalViewerCell(_image, true); 
      cell.AddAction((MedicalViewerActionType)101); 
      cell.SetAction((MedicalViewerActionType)101, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
 
      cell.SetActionKeys((MedicalViewerActionType)101, new MedicalViewerKeys(Keys.Up, Keys.Down, Keys.Left, Keys.Right, MedicalViewerModifiers.None)); 
 
      cell.UserTag += new EventHandler<MedicalViewerUserTagEventArgs>(_medicalViewer_UserTag); 
      cell.CustomPaint += new EventHandler<MedicalViewerPaintEventArgs>(_medicalViewer_CustomPaint); 
      cell.UserActionMouseDown += new EventHandler<MedicalViewerMouseEventArgs>(_medicalViewer_UserActionMouseDown); 
      cell.UserActionMouseUp += new EventHandler<MedicalViewerMouseEventArgs>(_medicalViewer_UserActionMouseUp); 
      cell.UserActionMouseMove += new EventHandler<MedicalViewerMouseEventArgs>(_medicalViewer_UserActionMouseMove); 
      cell.UserActionKeyUp += new EventHandler<MedicalViewerKeyEventArgs>(_medicalViewer_UserActionKeyUp); 
      cell.UserActionKeyDown += new EventHandler<MedicalViewerKeyEventArgs>(_medicalViewer_UserActionKeyDown); 
 
      _medicalViewer.Cells.Add(cell); 
 
      // adjust some properties of the cell and add some tags. 
      cell.SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448"); 
      cell.SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame); 
      cell.SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale); 
      cell.SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData); 
      cell.SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView); 
      cell.SetTag(1, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "Good, Guy"); 
      cell.SetTag(2, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "PID 125-98-445"); 
      cell.SetTag(3, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "DOB 08/02/1929"); 
      cell.SetTag(5, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "03/16/1999"); 
      cell.SetTag(0, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.RulerUnit); 
      cell.SetTag(0, MedicalViewerTagAlignment.BottomRight, MedicalViewerTagType.OwnerDraw); 
 
      Controls.Add(_medicalViewer); 
      _medicalViewer.Dock = DockStyle.Fill; 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 22.0.2023.2.5
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Leadtools.MedicalViewer Assembly

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