Leadtools.MedicalViewer Namespace > MedicalViewerCell Class : MPRPolygonCreated Event |
public event EventHandler<MedicalViewerMPRPolygonEventsArgs> MPRPolygonCreated
'Declaration Public Event MPRPolygonCreated As EventHandler(Of MedicalViewerMPRPolygonEventsArgs)
'Usage Dim instance As MedicalViewerCell Dim handler As EventHandler(Of MedicalViewerMPRPolygonEventsArgs) AddHandler instance.MPRPolygonCreated, handler
public event EventHandler<MedicalViewerMPRPolygonEventsArgs> MPRPolygonCreated
add_MPRPolygonCreated(function(sender, e)) remove_MPRPolygonCreated(function(sender, e))
public: event EventHandler<MedicalViewerMPRPolygonEventsArgs^>^ MPRPolygonCreated
The event handler receives an argument of type MedicalViewerMPRPolygonEventsArgs containing data related to this event. The following MedicalViewerMPRPolygonEventsArgs properties provide information specific to this event.
Property | Description |
---|---|
Polygon | Gets the MPR polygon that the user just created. |
Private Class MedicalViewerPolygonCreatedForm : Inherits Form Private _medicalViewer As MedicalViewer Private _seriesManager As MedicalViewerSeriesManager Private Sub MedicalViewer_SizeChanged(ByVal sender As Object, ByVal e As EventArgs) _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom) End Sub Public Sub New(ByVal output As MedicalViewerSeriesManager) DicomEngine.Startup() Dim _codecs As RasterCodecs = New RasterCodecs() AddHandler SizeChanged, AddressOf MedicalViewer_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) _seriesManager = output Dim cell As MedicalViewerMultiCell = New MedicalViewerMultiCell(Nothing, True, 1, 1) Dim index As Integer Dim count As Integer = output.Stacks(0).Items.Count Dim codecsInformation As CodecsImageInfo Dim imageInformation As MedicalViewerImageInformation() = New MedicalViewerImageInformation(count - 1) {} index = 0 Do While index < count codecsInformation = _codecs.GetInformation(CStr(output.Stacks(0).Items(index).Data), True) imageInformation(index) = New MedicalViewerImageInformation() imageInformation(index).ImageHeight = codecsInformation.Width imageInformation(index).ImageWidth = codecsInformation.Width imageInformation(index).XResolution = codecsInformation.XResolution imageInformation(index).YResolution = codecsInformation.YResolution index += 1 Loop AddHandler cell.FramesRequested, AddressOf cell_FramesRequested AddHandler FormClosing, AddressOf MedicalViewerLocalizer_FormClosing cell.EnableLowMemoryUsage(2, count, imageInformation) _medicalViewer.Cells.Add(cell) ' add some actions 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.Offset) cell.AddAction(MedicalViewerActionType.PanoramicPolygon) ' 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.PanoramicPolygon, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active) cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active) cell.ReferenceLine.Enabled = True cell.ReferenceLine.Color = Color.Yellow cell.ShowCellBoundaries = True ' 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) cell.PixelSpacing = output.Stacks(0).PixelSpacing index = 0 Do While index < count cell.SetImagePosition(index, output.Stacks(0).Items(index).ImagePosition, (index = count - 1)) index += 1 Loop cell.ImageOrientation = output.Stacks(0).Items(0).ImageOrientationArray cell.FrameOfReferenceUID = output.Stacks(0).Items(0).FrameOfReferenceUID Dim width As Integer = cell.VirtualImage(cell.ActiveSubCell).Image.Width Dim height As Integer = cell.VirtualImage(cell.ActiveSubCell).Image.Height Controls.Add(_medicalViewer) _medicalViewer.Dock = DockStyle.Fill DicomEngine.Shutdown() AddHandler cell.MPRPolygonCreated, AddressOf cell_MPRPolygonCreated AddHandler cell.PanoramicDataRequested, AddressOf cell_PanoramicDataRequested AddHandler cell.MPRPolygonClicked, AddressOf cell_MPRPolygonClicked AddHandler cell.Data3DRequested, AddressOf cell_Data3DRequested cell.AutoDisposeInternalData = True End Sub Private Sub cell_Data3DRequested(ByVal sender As Object, ByVal e As MedicalViewerData3DRequestedEventArgs) e.Succeed = Medical3DEngine.Provide3DInformation(e) End Sub Private Sub cell_MPRPolygonCreated(ByVal sender As Object, ByVal e As MedicalViewerMPRPolygonEventsArgs) Dim cellSource As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell) Dim cell As MedicalViewerPanoramicCell = New MedicalViewerPanoramicCell(e.Polygon) cell.AddAction(MedicalViewerActionType.WindowLevel) cell.AddAction(MedicalViewerActionType.Scale) cell.AddAction(MedicalViewerActionType.Offset) cell.AddAction(MedicalViewerActionType.Stack) cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.AllCells Or MedicalViewerActionFlags.RealTime) cell.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active) cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active) _medicalViewer.Cells.Add(cell) Dim paraxialCell As MedicalViewerParaxialCutCell = New MedicalViewerParaxialCutCell(e.Polygon, 0) paraxialCell.ParaxialDistance = 20 paraxialCell.ParaxialLength = 200 _medicalViewer.Cells.Add(paraxialCell) cellSource.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) End Sub Private Sub cell_MPRPolygonClicked(ByVal sender As Object, ByVal e As MedicalViewerMPRPolygonClickedEventsArgs) ' get the cell that contains the polygon clicked by the user. Dim cell As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell) ' get paraxial cell. Dim paraxialCell As MedicalViewerParaxialCutCell = CType(_medicalViewer.Cells(2), MedicalViewerParaxialCutCell) ' if the user clicks on other polygon lines, the paraxial cut will be assigned to that line If (e.Button = MouseButtons.Left) AndAlso e.Type = MedicalViewerMPRPolygonHitTest.Body Then paraxialCell.PolygonLineIndex = e.Index End If End Sub Private Sub cell_PanoramicDataRequested(ByVal sender As Object, ByVal e As MedicalViewerPanoramicDataRequestedEventArgs) Dim cell As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell) Dim _codecs As RasterCodecs = New RasterCodecs() Dim fileName As String = CStr(_seriesManager.Stacks(0).Items(e.FrameIndex).Data) e.Frame = _codecs.Load(fileName) End Sub Private Sub MedicalViewerLocalizer_FormClosing(ByVal sender As Object, ByVal e As FormClosingEventArgs) End Sub Private Sub cell_FramesRequested(ByVal sender As Object, ByVal e As MedicalViewerRequestedFramesInformationEventArgs) Dim cell As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell) Dim _codecs As RasterCodecs = New RasterCodecs() Dim i As Integer Dim image As RasterImage Dim fileName As String If e.RequestedFramesIndexes.Length > 0 Then fileName = CStr(_seriesManager.Stacks(0).Items(e.RequestedFramesIndexes(0)).Data) image = _codecs.Load(fileName) Else Return End If i = 1 Do While i < e.RequestedFramesIndexes.Length fileName = CStr(_seriesManager.Stacks(0).Items(e.RequestedFramesIndexes(i)).Data) image.AddPage(_codecs.Load(fileName)) i += 1 Loop cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert) End Sub Public ReadOnly Property Viewer() As MedicalViewer Get Return _medicalViewer End Get End Property End Class Private Function GetMedicalViewerPolygonCreatedForm() As MedicalViewerPolygonCreatedForm Dim form As MedicalViewerSeriesManagerFrom = New MedicalViewerSeriesManagerFrom() Dim output As MedicalViewerSeriesManager = form.LoadJamesHead() Return New MedicalViewerPolygonCreatedForm(output) End Function ' This example changes the default window level value by decrease the width by 100. Then resets the images based on the new value. Public Sub MedicalViewerPolygonCreatedExample() Dim myForm As MedicalViewerPolygonCreatedForm = GetMedicalViewerPolygonCreatedForm() Dim medicalViewer As MedicalViewer = myForm.Viewer MessageBox.Show("Click to draw a polygon using the left mouse click, each click will create a new point, when done double-click") myForm.ShowDialog() End Sub
class MedicalViewerPolygonCreatedForm : Form { private MedicalViewer _medicalViewer; private MedicalViewerSeriesManager _seriesManager; void MedicalViewerLocalizer_SizeChanged(object sender, EventArgs e) { _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); } public MedicalViewerPolygonCreatedForm(MedicalViewerSeriesManager output) { DicomEngine.Startup(); RasterCodecs _codecs = new RasterCodecs(); this.SizeChanged += new EventHandler(MedicalViewerLocalizer_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); _seriesManager = output; MedicalViewerMultiCell cell = new MedicalViewerMultiCell(null, true, 1, 1); int index; int count = output.Stacks[0].Items.Count; CodecsImageInfo codecsInformation; MedicalViewerImageInformation[] imageInformation = new MedicalViewerImageInformation[count]; for (index = 0; index < count; index++) { codecsInformation = _codecs.GetInformation((string)(output.Stacks[0].Items[index].Data), true); imageInformation[index] = new MedicalViewerImageInformation(); imageInformation[index].ImageHeight = codecsInformation.Width; imageInformation[index].ImageWidth = codecsInformation.Width; imageInformation[index].XResolution = codecsInformation.XResolution; imageInformation[index].YResolution = codecsInformation.YResolution; } cell.FramesRequested += new EventHandler<MedicalViewerRequestedFramesInformationEventArgs>(cell_FramesRequested); FormClosing += new FormClosingEventHandler(MedicalViewerLocalizer_FormClosing); cell.EnableLowMemoryUsage(2, count, imageInformation); _medicalViewer.Cells.Add(cell); // add some actions 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.Offset); cell.AddAction(MedicalViewerActionType.PanoramicPolygon); // 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.PanoramicPolygon, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active); cell.ReferenceLine.Enabled = true; cell.ReferenceLine.Color = Color.Yellow; cell.ShowCellBoundaries = true; // 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); cell.PixelSpacing = output.Stacks[0].PixelSpacing; for (index = 0; index < count; index++) { cell.SetImagePosition(index, output.Stacks[0].Items[index].ImagePosition, (index == count - 1)); } cell.ImageOrientation = output.Stacks[0].Items[0].ImageOrientationArray; cell.FrameOfReferenceUID = output.Stacks[0].Items[0].FrameOfReferenceUID; int width = cell.VirtualImage[cell.ActiveSubCell].Image.Width; int height = cell.VirtualImage[cell.ActiveSubCell].Image.Height; Controls.Add(_medicalViewer); _medicalViewer.Dock = DockStyle.Fill; DicomEngine.Shutdown(); cell.MPRPolygonCreated += new EventHandler<MedicalViewerMPRPolygonEventsArgs>(cell_MPRPolygonCreated); cell.PanoramicDataRequested += new EventHandler<MedicalViewerPanoramicDataRequestedEventArgs>(cell_PanoramicDataRequested); cell.MPRPolygonClicked += new EventHandler<MedicalViewerMPRPolygonClickedEventsArgs>(cell_MPRPolygonClicked); cell.Data3DRequested += new EventHandler<MedicalViewerData3DRequestedEventArgs>(cell_Data3DRequested); cell.AutoDisposeInternalData = true; } void cell_Data3DRequested(object sender, MedicalViewerData3DRequestedEventArgs e) { e.Succeed = Medical3DEngine.Provide3DInformation(e); } void cell_MPRPolygonCreated(object sender, MedicalViewerMPRPolygonEventsArgs e) { MedicalViewerMultiCell cellSource = (MedicalViewerMultiCell)sender; MedicalViewerPanoramicCell cell = new MedicalViewerPanoramicCell(e.Polygon); cell.AddAction(MedicalViewerActionType.WindowLevel); cell.AddAction(MedicalViewerActionType.Scale); cell.AddAction(MedicalViewerActionType.Offset); cell.AddAction(MedicalViewerActionType.Stack); cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.AllCells | MedicalViewerActionFlags.RealTime); cell.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active); cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); _medicalViewer.Cells.Add(cell); MedicalViewerParaxialCutCell paraxialCell = new MedicalViewerParaxialCutCell(e.Polygon, 0); paraxialCell.ParaxialDistance = 20; paraxialCell.ParaxialLength = 200; _medicalViewer.Cells.Add(paraxialCell); cellSource.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); } void cell_MPRPolygonClicked(object sender, MedicalViewerMPRPolygonClickedEventsArgs e) { // get the cell that contaisn the polygon clicked by the user. MedicalViewerMultiCell cell = (MedicalViewerMultiCell)sender; // get paraxial cell. MedicalViewerParaxialCutCell paraxialCell = (MedicalViewerParaxialCutCell)_medicalViewer.Cells[2]; // if the user clicks on other polygon lines, the paraxial cut will be assigned to that line if ((e.Button == MouseButtons.Left) && e.Type == MedicalViewerMPRPolygonHitTest.Body) { paraxialCell.PolygonLineIndex = e.Index; } } void cell_PanoramicDataRequested(object sender, MedicalViewerPanoramicDataRequestedEventArgs e) { MedicalViewerMultiCell cell = (MedicalViewerMultiCell)sender; RasterCodecs _codecs = new RasterCodecs(); String fileName = (string)(_seriesManager.Stacks[0].Items[e.FrameIndex].Data); e.Frame = _codecs.Load(fileName); } void MedicalViewerLocalizer_FormClosing(object sender, FormClosingEventArgs e) { } void cell_FramesRequested(object sender, MedicalViewerRequestedFramesInformationEventArgs e) { MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(sender); RasterCodecs _codecs = new RasterCodecs(); int i; RasterImage image; string fileName; if (e.RequestedFramesIndexes.Length > 0) { fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[0]].Data); image = _codecs.Load(fileName); } else return; for (i = 1; i < e.RequestedFramesIndexes.Length; i++) { fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[i]].Data); image.AddPage(_codecs.Load(fileName)); } cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert); } public MedicalViewer Viewer { get { return _medicalViewer; } } } MedicalViewerPolygonCreatedForm GetMedicalViewerPolygonCreatedForm() { MedicalViewerSeriesManagerFrom form = new MedicalViewerSeriesManagerFrom(); MedicalViewerSeriesManager output = form.LoadJamesHead(); return new MedicalViewerPolygonCreatedForm(output); } // This example changes the default window level value by decrease the width by 100. Then resets the images based on the new value. public void MedicalViewerPolygonCreatedExample() { MedicalViewerPolygonCreatedForm myForm = GetMedicalViewerPolygonCreatedForm(); MedicalViewer medicalViewer = myForm.Viewer; MessageBox.Show("Click to draw a polygon using the left mouse click, each click will create a new point, when done double-click"); myForm.ShowDialog(); }
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2