gotoPage Method

Summary

Go to the specified page.

Syntax

JavaScript Syntax

DocumentViewer.prototype.gotoPage = function( 
   pageNumber 
)

TypeScript Syntax

gotoPage( 
   pageNumber: number 
): void;

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:

Finds the ImageViewerItem that corresponds to the page number in the imageViewer - 1
Sets this as the ActiveItem
Calls View.ImageViewer.GotoItem
If thumbnails are used: Ensures that the thumbnail for the page is visible by calling Thumbnails.ImageViewer.EnsureItemVisible
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.

JavaScript Example

if (this._documentViewer.currentPageNumber < this._documentViewer.pageCount) { 
   this._documentViewer.gotoPage(this._documentViewer.currentPageNumber + 1); 
} else { 
   alert("You reached the last page"); 
}

Requirements

Target Platforms

Reference

DocumentViewer Class

DocumentViewer Members

Leadtools.Documents.UI Namespace

Help Version 19.0.2017.10.27