InteractivePage Event

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public event EventHandler<RasterViewerLineEventArgs> InteractivePage

'Declaration
 
Public Event InteractivePage As EventHandler(Of RasterViewerLineEventArgs)

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

public event EventHandler<RasterViewerLineEventArgs> InteractivePage

add_InteractivePage(function(sender, e))
remove_InteractivePage(function(sender, e))

public:
event EventHandler<RasterViewerLineEventArgs^>^ InteractivePage

The event handler receives an argument of type RasterViewerLineEventArgs containing data related to this event. The following RasterViewerLineEventArgs properties provide information specific to this event.

Property	Description
Begin	Returns the beginning point for the current interactive mode line.
Cancel (Inherited from Leadtools.WinForms.RasterViewerInteractiveEventArgs)	Gets or sets a value indicating whether the interactive mode should be canceled.
End	Returns the end point for the current interactive mode line.
Status (Inherited from Leadtools.WinForms.RasterViewerInteractiveEventArgs)	Gets the current status of the interactive mode.

Only occurs when the InteractiveMode property is set to RasterViewerInteractiveMode.Page.

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

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";
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

RasterImageViewer Class
RasterImageViewer Members