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UpdateUrl Method (ImageViewerItems)
Summary
Update the image or SVG URL of an item.
Syntax
public void UpdateUrl(ImageViewerItem item,System.Uri url)
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#
VB
using Leadtools;using Leadtools.Controls;using Leadtools.Codecs;using Leadtools.Drawing;using LeadtoolsExamples.Common;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"));}
Imports LeadtoolsImports Leadtools.ControlsImports Leadtools.CodecsImports Leadtools.DrawingImports Leadtools.ImageProcessingImports Leadtools.ImageProcessing.ColorImports Leadtools.SvgDim item As ImageViewerItem = _imageViewer.GetLargestVisibleItem(ImageViewerItemPart.Content)If Not item Is Nothing Then_imageViewer.Items.UpdateUrl(item, New Uri("http://localhost/myimages/multi/test.tif"))End If
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
Leadtools.Controls.WinForms Assembly
