getFirstVisibleItemIndex Method

Summary

Index for the first visible item or part of it in the viewer.

Syntax
TypeScript
JavaScript
ImageViewer.prototype.getFirstVisibleItemIndex = function( 
   part 
) 
getFirstVisibleItemIndex( 
   part: ImageViewerItemPart 
): number; 

Parameters

part

The item part requested. To use the whole item, pass ImageViewerItemPart.View.

Return Value

The 0-based index of the first visible item or -1 if the item does not have any visible items.

Requirements

Target Platforms

Help Version 22.0.2021.9.24
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Leadtools.Controls Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.