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POBind Image Source in WPF to a Url
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  1. POBind Image Source in WPF to a Url
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    copied!<p>I having been browsing around different posts trying to figure out what is wrong with my issue. Basically I have a Image tag on my user control, and the Source I would like to bind to a url. However this does not work. I have tried using a ValueConverter that returns <code>BitmapImage(new Uri((string)value));</code> but this does not work. The only thing I have been able to get is that you cannot bind to a url and that you have to download the image you want to bind. I do not want to download all images I seacrch. Is there a work around to achieving this task with out having to download the image locally. I thought the ValueConverter method would have been the best by return a BitmapImage. Please help?</p> <pre><code>public class MyViewModel { private string _posterUrl; public string PosterUrl { get { //Get Image Url, this is an example and will be retrieved from somewhere else. _posterUrl = "http://www.eurobuzz.org/wp-content/uploads/2012/08/logo.jpg"; return _posterUrl; } set { _posterUrl = value; NofityPropertyChanged(p =&gt; p.PosterUrl); } } } </code></pre> <p>This is my ValueConverter:</p> <pre><code>public class BitmapImageConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { if(value is string) return new BitmapImage(new Uri((string)value, UriKind.RelativeOrAbsolute)); if(value is Uri) return new BitmapImage((Uri)value); throw new NotSupportedException(); } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotSupportedException(); } } </code></pre> <p>This is my XAML:</p> <pre><code>&lt;Image Source="{Binding PosterUrl, Converter={StaticResource bitmapImageConverter}}" Width="100" Height="100" /&gt; </code></pre> <p>So this is binding to the PosterUrl property that contains the imageurl and this is converted to a bitmapimage. Any ideas?</p>
 

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