Leadtools.Controls Namespace > ImageViewerItems Object : UpdateUrl Method |
function Leadtools.Controls.ImageViewerItems.updateUrl( item , url , resolution )
Parameter | Type | Description |
---|---|---|
item | ImageViewerItem | Item to update |
url | string | New image url. If this is null, then the item will be empty after this method returns. |
resolution | LeadSizeD | 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. |
This method lets you quickly update the ImageViewerItem.Url value. It is the equivalant of the following code:
var item = imageViewer.items.at(some index);
item.url = url;
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)); }