Public Event InteractivePage As EventHandler(Of RasterViewerLineEventArgs)

Dim instance As RasterImageViewer
Dim handler As EventHandler(Of RasterViewerLineEventArgs)
 
AddHandler instance.InteractivePage, handler

public event EventHandler<RasterViewerLineEventArgs> InteractivePage

public:
event EventHandler<RasterViewerLineEventArgs^>^ InteractivePage

Private Sub viewer_InteractivePage(ByVal sender As Object, ByVal e As RasterViewerLineEventArgs)
      Dim viewer As RasterImageViewer = CType(IIf(TypeOf sender Is RasterImageViewer, sender, Nothing), RasterImageViewer)
      If e.Status = RasterViewerInteractiveStatus.Begin Then
         viewer.Cursor = Cursors.SizeNS
      ElseIf e.Status = RasterViewerInteractiveStatus.End Then
         viewer.Cursor = Cursors.Default
      End If
      Console.WriteLine("InteractivePage: e.Begin {0}, e.End{1}, e.Status {2}, e.Cancel {3}", e.Begin, e.End, e.Status, e.Cancel)
   End Sub
   Public Sub RasterImageViewer_InteractivePage(ByVal viewer As RasterImageViewer)
      ' Load a multipage file
      Dim codecs As RasterCodecs = New RasterCodecs()
      viewer.Image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "eye.gif"))
      codecs.Dispose()

      viewer.InteractiveMode = RasterViewerInteractiveMode.Page
      AddHandler viewer.InteractivePage, AddressOf viewer_InteractivePage

      MessageBox.Show("Drag mouse across image to view different pages")
      ' After you are done, you must remove the event handler as in below
      '
      ' viewer.InteractivePage -= new EventHandler<RasterViewerLineEventArgs>(viewer_InteractivePage);
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

private void viewer_InteractivePage(object sender, RasterViewerLineEventArgs e)
   {
      RasterImageViewer viewer = sender as RasterImageViewer;
      if (e.Status == RasterViewerInteractiveStatus.Begin)
         viewer.Cursor = Cursors.SizeNS;
      else if (e.Status == RasterViewerInteractiveStatus.End)
         viewer.Cursor = Cursors.Default;
      Console.WriteLine("InteractivePage: e.Begin {0}, e.End{1}, e.Status {2}, e.Cancel {3}", e.Begin, e.End, e.Status, e.Cancel);
   }
   public void RasterImageViewer_InteractivePage(RasterImageViewer viewer)
   {
      // Load a multipage file
      RasterCodecs codecs = new RasterCodecs();
      viewer.Image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "eye.gif"));
      codecs.Dispose();

      viewer.InteractiveMode = RasterViewerInteractiveMode.Page;
      viewer.InteractivePage += new EventHandler<RasterViewerLineEventArgs>(viewer_InteractivePage);

      MessageBox.Show("Drag mouse across image to view different pages");
      // After you are done, you must remove the event handler as in below
      //
      // viewer.InteractivePage -= new EventHandler<RasterViewerLineEventArgs>(viewer_InteractivePage);
   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}