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UpdateUrl Method

Summary

Update the image or SVG URL of an item.

Syntax
C#
C++
public void UpdateUrl( 
   ImageViewerItem item, 
   Uri url 
) 
vb[VB Syntax] 
Public Sub UpdateUrl( 
   ByVal _item_ As ImageViewerItem, 
   ByVal _url_ As System.Uri 
) 
public:  
   void UpdateUrl( 
      ImageViewerItem^ item, 
      System::Uri^ url 
   ) 

Parameters

item

Item to update

url

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

The viewer will load the data in this URL as a raster image or SVG document depending on the value of LoadUrlAsSvg of item.

Remarks

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

ImageViewerItem item = imageViewer.Items[some index]; 
item.Url = url; 
Example
C#
using Leadtools; 
using Leadtools.Controls; 
using Leadtools.Codecs; 
using Leadtools.Drawing; 
 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Svg; 
 
var item = _imageViewer.GetLargestVisibleItem(ImageViewerItemPart.Content); 
if (item != null) 
{ 
   _imageViewer.Items.UpdateUrl(item, new Uri(@"http://localhost/myimages/multi/test.tif")); 
} 
Requirements

Target Platforms

Help Version 22.0.2022.4.4
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Leadtools.Controls Assembly

Products | Support | Contact Us | Intellectual Property Notices
© 1991-2022 LEAD Technologies, Inc. All Rights Reserved.