Leadtools.MedicalViewer Namespace > MedicalViewerBaseCell Class : ChangingWindowLevel Event |
public event EventHandler<MedicalViewerChangingWindowLevelEventArgs> ChangingWindowLevel
'Declaration Public Event ChangingWindowLevel As EventHandler(Of MedicalViewerChangingWindowLevelEventArgs)
'Usage Dim instance As MedicalViewerBaseCell Dim handler As EventHandler(Of MedicalViewerChangingWindowLevelEventArgs) AddHandler instance.ChangingWindowLevel, handler
public event EventHandler<MedicalViewerChangingWindowLevelEventArgs> ChangingWindowLevel
add_ChangingWindowLevel(function(sender, e)) remove_ChangingWindowLevel(function(sender, e))
public: event EventHandler<MedicalViewerChangingWindowLevelEventArgs^>^ ChangingWindowLevel
The event handler receives an argument of type MedicalViewerChangingWindowLevelEventArgs containing data related to this event. The following MedicalViewerChangingWindowLevelEventArgs properties provide information specific to this event.
Property | Description |
---|---|
Center | Gets the value that indicates the new window center. |
OldCenter | Gets the value that indicates the previous window center. |
OldWidth | Gets the value that indicates the previous window width. |
SubCellIndex | Gets the value that indicates the index of sub-cell that contains the image which to be affected by the window level action. |
Width | Gets the value that indicates the new window width. |
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. 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
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"; }
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