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LEADTOOLS Leadtools.Documents.UI (Leadtools.Documents.UI assembly)

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GotoPage Method






1-based number of the page to go to.
Go to the specifed page.
Syntax
public virtual void GotoPage( 
   int pageNumber
)
'Declaration
 
Public Overridable Sub GotoPage( _
   ByVal pageNumber As Integer _
) 
'Usage
 
Dim instance As DocumentViewer
Dim pageNumber As Integer
 
instance.GotoPage(pageNumber)
public:
virtual void GotoPage( 
   int pageNumber
) 

Parameters

pageNumber
1-based number of the page to go to.
Remarks

This method moves the view to the page specified by performing the following:

  1. Finds the ImageViewerItem that corresponds to the page number in the ImageViewer. This is the item at index pageNumber - 1

  2. Sets this as the ActiveItem

  3. Calls View.ImageViewer.GotoItem

  4. If thumbnails are used: Ensures that the thumbnail for the page is visible by calling Thumbnails.ImageViewer.EnsureItemVisible

  5. If annotations are used: Sets the corresponding AnnContainer as the ActiveContainer

Example

Start with the example created in DocumentViewer, remove all the code in the Example function and add the code below.

When the user clicks the Example button, we will go to the next page till we reach the last one.

Copy Code  
Imports Leadtools
Imports Leadtools.Controls
Imports Leadtools.Documents
Imports Leadtools.Documents.UI
Imports Leadtools.Codecs
Imports Leadtools.Caching
Imports Leadtools.Annotations.Core
Imports Leadtools.Forms.Ocr

If _documentViewer.CurrentPageNumber < _documentViewer.PageCount Then
   _documentViewer.GotoPage(_documentViewer.CurrentPageNumber + 1)
Else
   MessageBox.Show("You reached the last page")
End If
using Leadtools;
using Leadtools.Controls;
using Leadtools.Documents;
using Leadtools.Documents.UI;
using Leadtools.Codecs;
using Leadtools.Caching;
using Leadtools.Annotations.Core;
using Leadtools.Forms.Ocr;

if (_documentViewer.CurrentPageNumber < _documentViewer.PageCount)
   _documentViewer.GotoPage(_documentViewer.CurrentPageNumber + 1);
else
   MessageBox.Show("You reached the last page");
Requirements

Target Platforms

See Also

Reference

DocumentViewer Class
DocumentViewer Members

Error processing SSI file
Leadtools.Documents.UI requires a Document or Medical toolkit license and unlock key. For more information, refer to: Imaging Pro/Document/Medical Features