updateUrl Method (ImageViewerItems)
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
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
Leadtools.Controls Assembly
