The MedicalViewerAnnotationArrow Class is available as an add-on to the LEADTOOLS Medical Imaging toolkits.
Represents the class that contains the properties of the annotation arrow action.![](dotnetdiagramimages/Leadtools_MedicalViewer_Leadtools_MedicalViewer_MedicalViewerAnnotationArrow.png)
Visual Basic (Declaration) | |
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Public Class MedicalViewerAnnotationArrow Inherits MedicalViewerAnnotation |
Visual Basic (Usage) | ![]() |
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Dim instance As MedicalViewerAnnotationArrow |
C# | |
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public class MedicalViewerAnnotationArrow : MedicalViewerAnnotation |
C++/CLI | |
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public ref class MedicalViewerAnnotationArrow : public MedicalViewerAnnotation |
This example changes the color of all the selected arrow objects inside the medical viewer.
Visual Basic | ![]() |
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Private Class MedicalViewerForm : Inherits Form Private _medicalViewer As MedicalViewer Public Sub New() Dim _codecs As RasterCodecs = New RasterCodecs() Dim _image As RasterImage ' 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 MedicalViewerMultiCell = New MedicalViewerMultiCell(_image, True, 1, 1) ' add some action that will be used to change the properties of the images inside the control. cell.AddAction(MedicalViewerActionType.WindowLevel) cell.AddAction(MedicalViewerActionType.Alpha) cell.AddAction(MedicalViewerActionType.AnnotationArrow) ' assign the added actions to a mouse button, meaning that when the user click and drag the mouse button, the associated action will be activated. cell.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active Or MedicalViewerActionFlags.RealTime) cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active Or MedicalViewerActionFlags.RealTime) cell.SetAction(MedicalViewerActionType.AnnotationArrow, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active Or MedicalViewerActionFlags.RealTime) _medicalViewer.Cells.Add(cell) ' adjust some properties to 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) Controls.Add(_medicalViewer) _medicalViewer.Dock = DockStyle.Fill 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 Public Sub MedicalViewerAnnotationArrowExample() Dim myForm As MedicalViewerForm = GetMedicalControl() Dim medicalViewer As MedicalViewer = myForm.Viewer Dim cell As MedicalViewerMultiCell = CType(medicalViewer.Cells(0), MedicalViewerMultiCell) Dim arrow As MedicalViewerAnnotationArrow = New MedicalViewerAnnotationArrow() arrow.AnnotationColor = Color.FromArgb(0, 0, 255) arrow.Flags = MedicalViewerAnnotationFlags.AllObjects cell.SetActionProperties(MedicalViewerActionType.AnnotationArrow, arrow) myForm.ShowDialog() End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class |
C# | ![]() |
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class MedicalViewerForm : Form { private MedicalViewer _medicalViewer; public MedicalViewerForm() { RasterCodecs _codecs = new RasterCodecs(); RasterImage _image; // 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 some action that will be used to change the properties of the images inside the control. cell.AddAction(MedicalViewerActionType.WindowLevel); cell.AddAction(MedicalViewerActionType.Alpha); cell.AddAction(MedicalViewerActionType.AnnotationArrow); // assign the added actions to a mouse button, meaning that when the user click and drag the mouse button, the associated action will be activated. cell.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime); cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime); cell.SetAction(MedicalViewerActionType.AnnotationArrow, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime); _medicalViewer.Cells.Add(cell); // adjust some properties to 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); Controls.Add(_medicalViewer); _medicalViewer.Dock = DockStyle.Fill; } public MedicalViewer Viewer { get { return _medicalViewer; } } } MedicalViewerForm GetMedicalControl() { return new MedicalViewerForm(); } public void MedicalViewerAnnotationArrowExample() { MedicalViewerForm myForm = GetMedicalControl(); MedicalViewer medicalViewer = myForm.Viewer; MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(medicalViewer.Cells[0]); MedicalViewerAnnotationArrow arrow = new MedicalViewerAnnotationArrow(); arrow.AnnotationColor = Color.FromArgb(0, 0, 255); arrow.Flags = MedicalViewerAnnotationFlags.AllObjects; cell.SetActionProperties(MedicalViewerActionType.AnnotationArrow, arrow); myForm.ShowDialog(); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; } |
To set the properties of the annotation arrow action, call the MedicalViewerBaseCell.SetActionProperties method. To retrieve the properties call the MedicalViewerBaseCell.GetActionProperties method.
The mouse controls the actions as follows:
Click and drag to create an arrow annotation object.For more information, refer to Working With Annotations.
System.Object
Leadtools.MedicalViewer.MedicalViewerBaseAction
Leadtools.MedicalViewer.MedicalViewerAnnotation
Leadtools.MedicalViewer.MedicalViewerAnnotationArrow
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7