updateUrl Method

Summary

Update the image URL of an item.

Syntax

JavaScript Syntax
ImageViewerItems.prototype.updateUrl = function(item, url, resolution) 
TypeScript Syntax
updateUrl(item: ImageViewerItem, url: string, resolution: LeadSizeD): void; 

Parameters

item

Item to update

url

New image url. If this is null, then the item will be empty after this method returns.

resolution

The resolution to use of the image in dots/inch (or DPI). A value of 0,0 or Empty means use the default image

resolution which is 96 pixels.

Remarks

This method lets you quickly update the ImageViewerItem.Url value. It is the equivalent of the following code:

var item = imageViewer.items.at(some index); 
item.url = url; 

Example

JavaScript Example
var item = this._imageViewer.getLargestVisibleItem(lt.Controls.ImageViewerItemPart.content); 
if (item != null) { 
   this._imageViewer.items.updateUrl(item, "http://demo.leadtools.com/images/png/ocr3.png", lt.LeadSizeD.create(96, 96)); 
} 

Requirements

Target Platforms

Help Version 19.0.2017.10.18
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Leadtools.Controls Assembly