<DescriptionAttribute("Select one of the interactive modes available when the user interacts with the control.")>
<CategoryAttribute("Interactive Mode")>
Public Overridable Property InteractiveMode As RasterViewerInteractiveMode

Dim instance As RasterImageViewer
Dim value As RasterViewerInteractiveMode
 
instance.InteractiveMode = value
 
value = instance.InteractiveMode

[DescriptionAttribute("Select one of the interactive modes available when the user interacts with the control.")]
[CategoryAttribute("Interactive Mode")]
public virtual RasterViewerInteractiveMode InteractiveMode {get; set;}

[DescriptionAttribute("Select one of the interactive modes available when the user interacts with the control.")]
[CategoryAttribute("Interactive Mode")]
public:
virtual property RasterViewerInteractiveMode InteractiveMode {
   RasterViewerInteractiveMode get();
   void set (    RasterViewerInteractiveMode value);
}

Private Sub viewer_InteractiveModeChanged(ByVal sender As Object, ByVal e As EventArgs)
   Dim viewer As RasterImageViewer = CType(IIf(TypeOf sender Is RasterImageViewer, sender, Nothing), RasterImageViewer)
   Dim s As String = String.Format("InteractiveMode changed to: {0}", viewer.InteractiveMode.ToString())
   MessageBox.Show(s)
End Sub
Public Sub RasterImageViewer_InteractiveMode(ByVal viewer As RasterImageViewer)
   AddHandler viewer.InteractiveModeChanged, AddressOf viewer_InteractiveModeChanged
   AddHandler viewer.InteractivePan, AddressOf viewer_InteractivePan

   viewer.InteractiveRegionType = RasterViewerInteractiveRegionType.Ellipse
   viewer.InteractiveRegionCombineMode = RasterRegionCombineMode.Set

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

      Case RasterViewerInteractiveMode.Pan
         viewer.InteractiveMode = RasterViewerInteractiveMode.MagnifyGlass

      Case RasterViewerInteractiveMode.MagnifyGlass
         viewer.InteractiveMode = RasterViewerInteractiveMode.Region

      Case RasterViewerInteractiveMode.Region
         viewer.InteractiveMode = RasterViewerInteractiveMode.None
   End Select
   RemoveHandler viewer.InteractiveModeChanged, AddressOf viewer_InteractiveModeChanged
End Sub

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

   viewer.InteractiveRegionType = RasterViewerInteractiveRegionType.Ellipse;
   viewer.InteractiveRegionCombineMode = RasterRegionCombineMode.Set;

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

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

      case RasterViewerInteractiveMode.MagnifyGlass:
         viewer.InteractiveMode = RasterViewerInteractiveMode.Region;
         break;

      case RasterViewerInteractiveMode.Region:
         viewer.InteractiveMode = RasterViewerInteractiveMode.None;
         break;
   }
   viewer.InteractiveModeChanged -= new EventHandler(viewer_InteractiveModeChanged);
}