InteractiveMode Property

Visual Basic
C#
Objective-C
Java
C++

public InteractiveMode InteractiveMode {get; set;}

'Declaration
 
Public Property InteractiveMode As InteractiveMode

'Usage
 
Dim instance As ImageViewer
Dim value As InteractiveMode
 
instance.InteractiveMode = value
 
value = instance.InteractiveMode

public:
property InteractiveMode InteractiveMode {
   InteractiveMode get();
   void set (    InteractiveMode value);
}

Property Value

An InteractiveMode enumeration member that indicates the current user interaction mode with the control's display. Default value is InteractiveMode.None.

You can change the mouse cursor associated with a particular interactive mode with the SetInteractiveModeCursor method. For descriptions of the various interactive mode available, refer to InteractiveMode.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools.Windows.Controls

Private Sub viewer_InteractiveModeChanged(ByVal sender As Object, ByVal e As RoutedEventArgs)
    Dim viewer As ImageViewer = TryCast(sender, ImageViewer)
    Dim s As String = String.Format("InteractiveMode changed to: {0}", viewer.InteractiveMode.ToString())
    MessageBox.Show(s)
End Sub
Public Sub BitmapSourceViewer_InteractiveMode(ByVal viewer As ImageViewer)
    AddHandler viewer.InteractiveModeChanged, AddressOf viewer_InteractiveModeChanged
    AddHandler viewer.InteractivePan, AddressOf viewer_InteractivePan

    Select Case viewer.InteractiveMode
        Case InteractiveMode.None
            viewer.InteractiveMode = InteractiveMode.Pan

        Case InteractiveMode.Pan
            viewer.InteractiveMode = InteractiveMode.MagnifyGlass

        Case InteractiveMode.MagnifyGlass
            viewer.InteractiveMode = InteractiveMode.ZoomTo

        Case InteractiveMode.ZoomTo
            viewer.InteractiveMode = InteractiveMode.None
    End Select

    RemoveHandler viewer.InteractiveModeChanged, AddressOf viewer_InteractiveModeChanged
End Sub

using Leadtools.Help;
using Leadtools.Windows.Controls;

private void viewer_InteractiveModeChanged(object sender, RoutedEventArgs e)
{
   ImageViewer viewer = sender as ImageViewer;
   string s = string.Format("InteractiveMode changed to: {0}", viewer.InteractiveMode.ToString());
   MessageBox.Show(s);
}
public void BitmapSourceViewer_InteractiveMode(ImageViewer viewer)
{
   viewer.InteractiveModeChanged += new RoutedPropertyChangedEventHandler<InteractiveMode>(viewer_InteractiveModeChanged);
   viewer.InteractivePan +=new EventHandler<LineInteractiveEventArgs>(viewer_InteractivePan);

   switch(viewer.InteractiveMode)
   {
      case InteractiveMode.None:
         viewer.InteractiveMode = InteractiveMode.Pan;
         break;

      case InteractiveMode.Pan:
         viewer.InteractiveMode = InteractiveMode.MagnifyGlass;
         break;

      case InteractiveMode.MagnifyGlass:
         viewer.InteractiveMode = InteractiveMode.ZoomTo;
         break;

      case InteractiveMode.ZoomTo:
         viewer.InteractiveMode = InteractiveMode.None;
         break;
   }

   viewer.InteractiveModeChanged -= new RoutedPropertyChangedEventHandler<InteractiveMode>(viewer_InteractiveModeChanged);
}

using Leadtools.Help;
using Leadtools.Windows.Controls;

private void viewer_InteractiveModeChanged(object sender, RoutedEventArgs e)
{
   ImageViewer viewer = sender as ImageViewer;
   string s = string.Format("InteractiveMode changed to: {0}", viewer.InteractiveMode.ToString());
   MessageBox.Show(s);
}
public void BitmapSourceViewer_InteractiveMode(ImageViewer viewer)
{
   viewer.InteractiveModeChanged += new RoutedPropertyChangedEventHandler<InteractiveMode>(viewer_InteractiveModeChanged);
   viewer.InteractivePan +=new EventHandler<LineInteractiveEventArgs>(viewer_InteractivePan);

   switch(viewer.InteractiveMode)
   {
      case InteractiveMode.None:
         viewer.InteractiveMode = InteractiveMode.Pan;
         break;

      case InteractiveMode.Pan:
         viewer.InteractiveMode = InteractiveMode.MagnifyGlass;
         break;

      case InteractiveMode.MagnifyGlass:
         viewer.InteractiveMode = InteractiveMode.ZoomTo;
         break;

      case InteractiveMode.ZoomTo:
         viewer.InteractiveMode = InteractiveMode.None;
         break;
   }

   viewer.InteractiveModeChanged -= new RoutedPropertyChangedEventHandler<InteractiveMode>(viewer_InteractiveModeChanged);
}

Imports Leadtools
Imports Leadtools.Windows.Controls

Private Sub viewer_InteractiveModeChanged(ByVal sender As Object, ByVal e As RoutedEventArgs)
   Dim viewer As ImageViewer = TryCast(sender, ImageViewer)
   Dim s As String = String.Format("InteractiveMode changed to: {0}", viewer.InteractiveMode.ToString())
   MessageBox.Show(s)
End Sub
Public Sub BitmapSourceViewer_InteractiveMode(ByVal viewer As ImageViewer)
   AddHandler viewer.InteractiveModeChanged, AddressOf viewer_InteractiveModeChanged
   AddHandler viewer.InteractivePan, AddressOf viewer_InteractivePan

   Select Case viewer.InteractiveMode
      Case InteractiveMode.None
         viewer.InteractiveMode = InteractiveMode.Pan

      Case InteractiveMode.Pan
         viewer.InteractiveMode = InteractiveMode.MagnifyGlass

      Case InteractiveMode.MagnifyGlass
         viewer.InteractiveMode = InteractiveMode.ZoomTo

      Case InteractiveMode.ZoomTo
         viewer.InteractiveMode = InteractiveMode.None
   End Select

   RemoveHandler viewer.InteractiveModeChanged, AddressOf viewer_InteractiveModeChanged
End Sub

<Window x:Class="WPFSamples.ImageViewer"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  xmlns:Leadtools_Windows_Controls="clr-namespace:Leadtools.Windows.Controls;assembly=Leadtools.Windows.Controls"
  Height="600" Width="800" Title="InteractiveMode Sample">
  <DockPanel>
    <Leadtools_Windows_Controls:ImageViewer
      Name="theViewer"
      Source="file:///c:\users\Public\Documents\LEADTOOLS Images\cannon.jpg"
      DockPanel.Dock= "Bottom"
      HorizontalAlignment="Center" VerticalAlignment="Center"
      InteractiveMode="Scale"
      InteractiveModeChanged ="theViewer_InteractiveModeChanged"/>
  </DockPanel>
</Window>

Target Platforms

Reference

ImageViewer Class
ImageViewer Members