WpfAnnotationViewerUndoMonitor Class

In This Topic

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

Object Model

Syntax

Visual Basic
C#
Managed Extensions for C++
C++/CLI

'Declaration

Public Class WpfAnnotationViewerUndoMonitor
   Inherits Vintasoft.Imaging.Wpf.UI.Undo.WpfImageViewerUndoMonitor

public class WpfAnnotationViewerUndoMonitor : Vintasoft.Imaging.Wpf.UI.Undo.WpfImageViewerUndoMonitor

public __gc class WpfAnnotationViewerUndoMonitor : public Vintasoft.Imaging.Wpf.UI.Undo.WpfImageViewerUndoMonitor*

public ref class WpfAnnotationViewerUndoMonitor : public Vintasoft.Imaging.Wpf.UI.Undo.WpfImageViewerUndoMonitor^

Example

This C#/VB.NET code shows how to monitor the 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.Wpf.UI.WpfAnnotationViewer) As Vintasoft.Imaging.Annotation.Wpf.UI.Undo.WpfAnnotationViewerUndoMonitor
    ' create the undo monitor for annotation viewer
    Dim undoMonitor As New Vintasoft.Imaging.Annotation.Wpf.UI.Undo.WpfAnnotationViewerUndoMonitor(undoManager, annotationViewer)

    ' returns the undo monitor for annotation viewer
    Return undoMonitor
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.Wpf.UI.Undo.WpfAnnotationViewerUndoMonitor CreateUndoMonitorForAnnotationViewer(
    Vintasoft.Imaging.Undo.UndoManager undoManager,
    Vintasoft.Imaging.Annotation.Wpf.UI.WpfAnnotationViewer annotationViewer)
{
    // create the undo monitor for annotation viewer
    Vintasoft.Imaging.Annotation.Wpf.UI.Undo.WpfAnnotationViewerUndoMonitor undoMonitor =
        new Vintasoft.Imaging.Annotation.Wpf.UI.Undo.WpfAnnotationViewerUndoMonitor(undoManager, annotationViewer);

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

Inheritance Hierarchy

System.Object
   Vintasoft.Imaging.Undo.UndoMonitor
      Vintasoft.Imaging.Wpf.UI.Undo.WpfImageViewerUndoMonitor
         Vintasoft.Imaging.Annotation.Wpf.UI.Undo.WpfAnnotationViewerUndoMonitor

Requirements

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

Reference

WpfAnnotationViewerUndoMonitor Members
Vintasoft.Imaging.Annotation.Wpf.UI.Undo Namespace

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