AnnotationViewerUndoMonitor Class

In This Topic

Undo monitor that monitors the AnnotationViewer object and adds undo action to an undo manager if AnnotationViewCollection is changed.

Object Model

Syntax

'Declaration

Public Class AnnotationViewerUndoMonitor
   Inherits Vintasoft.Imaging.Undo.ImageViewerUndoMonitor

public class AnnotationViewerUndoMonitor : Vintasoft.Imaging.Undo.ImageViewerUndoMonitor

public __gc class AnnotationViewerUndoMonitor : public Vintasoft.Imaging.Undo.ImageViewerUndoMonitor*

public ref class AnnotationViewerUndoMonitor : public Vintasoft.Imaging.Undo.ImageViewerUndoMonitor^

Example

Here is an example that shows how to monitor changes in annotations:

VB.NET


''' <summary>
''' Creates the undo monitor for annotation viewer.
''' </summary>
''' <param name="undoManager">The undo manager.</param>
''' <param name="annotationViewer">The annotation viewer.</param>
Public Shared Function CreateUndoMonitorForAnnotationViewer(undoManager As Vintasoft.Imaging.Undo.UndoManager, annotationViewer As Vintasoft.Imaging.Annotation.UI.AnnotationViewer) As Vintasoft.Imaging.Annotation.UI.Undo.AnnotationViewerUndoMonitor
    ' create the undo monitor for annotation viewer
    Dim monitor As New Vintasoft.Imaging.Annotation.UI.Undo.AnnotationViewerUndoMonitor(undoManager, annotationViewer)

    ' returns the undo monitor for annotation viewer
    Return monitor
End Function


/// <summary>
/// Creates the undo monitor for annotation viewer.
/// </summary>
/// <param name="undoManager">The undo manager.</param>
/// <param name="annotationViewer">The annotation viewer.</param>
public static Vintasoft.Imaging.Annotation.UI.Undo.AnnotationViewerUndoMonitor CreateUndoMonitorForAnnotationViewer(
    Vintasoft.Imaging.Undo.UndoManager undoManager,
    Vintasoft.Imaging.Annotation.UI.AnnotationViewer annotationViewer)
{
    // create the undo monitor for annotation viewer
    Vintasoft.Imaging.Annotation.UI.Undo.AnnotationViewerUndoMonitor monitor =
        new Vintasoft.Imaging.Annotation.UI.Undo.AnnotationViewerUndoMonitor(undoManager, annotationViewer);

    // returns the undo monitor for annotation viewer
    return monitor;
}

Inheritance Hierarchy

System.Object
   Vintasoft.Imaging.Undo.UndoMonitor
      Vintasoft.Imaging.Undo.ImageViewerUndoMonitor
         Vintasoft.Imaging.Annotation.UI.Undo.AnnotationViewerUndoMonitor

Requirements

Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

Reference

AnnotationViewerUndoMonitor Members
Vintasoft.Imaging.Annotation.UI.Undo Namespace

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