Leadtools.MedicalViewer Namespace > MedicalViewerCell Class : CustomPaint Event |
public event EventHandler<MedicalViewerPaintEventArgs> CustomPaint
'Declaration Public Event CustomPaint As EventHandler(Of MedicalViewerPaintEventArgs)
'Usage Dim instance As MedicalViewerCell Dim handler As EventHandler(Of MedicalViewerPaintEventArgs) AddHandler instance.CustomPaint, handler
public event EventHandler<MedicalViewerPaintEventArgs> CustomPaint
add_CustomPaint(function(sender, e)) remove_CustomPaint(function(sender, e))
public: event EventHandler<MedicalViewerPaintEventArgs^>^ CustomPaint
The event handler receives an argument of type MedicalViewerPaintEventArgs containing data related to this event. The following MedicalViewerPaintEventArgs properties provide information specific to this event.
Property | Description |
---|---|
CellIndex | Gets or sets the value that indicates the index of the cell that will be painted. This value is only valid if the cell is add to the MedicalViewer. |
ClipRectangle (Inherited from System.Windows.Forms.PaintEventArgs) | Gets the rectangle in which to paint. |
Graphics (Inherited from System.Windows.Forms.PaintEventArgs) | Gets the graphics used to paint. |
SubCellIndex | Gets or sets the value that indicates the index of the sub-cell that will be painted. |
Public Sub MedicalViewerEventsExample() Dim form As MainForm3 = New MainForm3() form.ShowDialog() End Sub #End If ' MainForm1 will be the owner of the medical viewer control. Private Class MainForm3 : Inherits Form Private _medicalViewer As MedicalViewer Private _mouseDown As Boolean Private Sub _medicalViewer_UserActionMouseMove(ByVal sender As Object, ByVal e As MedicalViewerMouseEventArgs) ' Increase the gamma of the image as the user drags the mouse. If (e.ActionID = 101) AndAlso _mouseDown Then CType(sender, MedicalViewerCell).Image.PaintGamma += 1 CType(sender, MedicalViewerCell).Invalidate() End If End Sub Private Sub _medicalViewer_UserActionMouseUp(ByVal sender As Object, ByVal e As MedicalViewerMouseEventArgs) _mouseDown = False End Sub Private Sub _medicalViewer_UserActionMouseDown(ByVal sender As Object, ByVal e As MedicalViewerMouseEventArgs) _mouseDown = True End Sub Private Sub _medicalViewer_UserActionKeyDown(ByVal sender As Object, ByVal e As MedicalViewerKeyEventArgs) If (CType(sender, MedicalViewerCell)).Image.PaintGamma > 1 Then CType(sender, MedicalViewerCell).Image.PaintGamma -= 1 End If End Sub Private Sub _medicalViewer_UserActionKeyUp(ByVal sender As Object, ByVal e As MedicalViewerKeyEventArgs) CType(sender, MedicalViewerCell).Invalidate() End Sub Private Sub _medicalViewer_CustomPaint(ByVal sender As Object, ByVal e As MedicalViewerPaintEventArgs) ' draw red ellipse around the first frame of the first cell. If (e.CellIndex = 0) AndAlso (e.SubCellIndex = 0) Then e.Graphics.DrawEllipse(Pens.Red, e.ClipRectangle) End If End Sub Private Sub _medicalViewer_UserTag(ByVal sender As Object, ByVal e As MedicalViewerUserTagEventArgs) ' draw a red string at the bottom right edge of the first cell. If e.CellIndex = 0 Then e.Graphics.DrawString("Owner Draw", New Font(FontFamily.GenericSerif, 15), Brushes.Red, New PointF(e.ClipRectangle.Left, e.ClipRectangle.Top)) End If End Sub Public Sub New() Dim _codecs As RasterCodecs = New RasterCodecs() Dim _image As RasterImage ' 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(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom) ' Load an image and then add it to the control. _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "image3.dcm")) Dim cell As MedicalViewerCell = New MedicalViewerCell(_image, True) cell.AddAction(CType(101, MedicalViewerActionType)) cell.SetAction(CType(101, MedicalViewerActionType), MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) cell.SetActionKeys(CType(101, MedicalViewerActionType), New MedicalViewerKeys(Keys.Up, Keys.Down, Keys.Left, Keys.Right, MedicalViewerModifiers.None)) AddHandler cell.UserTag, AddressOf _medicalViewer_UserTag AddHandler cell.CustomPaint, AddressOf _medicalViewer_CustomPaint AddHandler cell.UserActionMouseDown, AddressOf _medicalViewer_UserActionMouseDown AddHandler cell.UserActionMouseUp, AddressOf _medicalViewer_UserActionMouseUp AddHandler cell.UserActionMouseMove, AddressOf _medicalViewer_UserActionMouseMove AddHandler cell.UserActionKeyUp, AddressOf _medicalViewer_UserActionKeyUp AddHandler cell.UserActionKeyDown, AddressOf _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 End Sub End Class Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void MedicalViewerEventsExample() { MainForm3 form = new MainForm3(); form.ShowDialog(); } #endif // 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:\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