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POWindows 8 Metro app, How to set a click event for different images that are loaded?
 

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  1. POWindows 8 Metro app, How to set a click event for different images that are loaded?
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    <p>I've created a drag and drop function in my app which i've used a code sample and works ok. The images need to have a click event, so ive used the tapped event. However I need the event to have a different result.</p> <p>So basically, the xaml code for the image source is as so.</p> <pre><code>Image Source="{Binding Image}" Tapped="chordClicked" </code></pre> <p>and in the C#</p> <pre><code>protected override void OnNavigatedTo(NavigationEventArgs e) { source.Add(new Item("Assets/Achord.png")); source.Add(new Item("Assets/Bchord.png")); source.Add(new Item("Assets/Cchord.png")); source.Add(new Item("Assets/Dchord.png")); source.Add(new Item("Assets/Echord.png")); source.Add(new Item("Assets/Fchord.png")); source.Add(new Item("Assets/Gchord.png")); availableItems.ItemsSource = source; chosenItems.ItemsSource = destination; } </code></pre> <p>I tried a few variations on how I could go about doing this but none have worked, I thought the method below would make sense.</p> <p>for the time being the text block is just a way of testing if the click is working properly</p> <pre><code>private void chordClicked(object sender, TappedRoutedEventArgs e) { if (source = ("Assets/Achord.png")) { textBlock.Text = "A chord clicked"; } private void dragItem(object sender, DragItemsStartingEventArgs e) { draggedItem = (Item)e.Items[0]; } private void dropItemDestination(object sender, DragEventArgs e) { source.Remove(draggedItem); destination.Insert(0, draggedItem); } private void dropItemSource(object sender, DragEventArgs e) { destination.Remove(draggedItem); source.Add(draggedItem); } </code></pre> <p>Thank you in advance</p> <ul> <li>Bash.d</li> </ul> <p>Hi thanks for your help, I searched around other places and eventually found the solution on the msdn forums.</p> <pre><code>private void chordClicked(object sender, TappedRoutedEventArgs e) { var source = ((sender as Image).Source as BitmapImage).UriSource.LocalPath; if (source == "/Assets/Achord.png") { textBlock.Text = "A chord clicked"; } else if (source == "/Assets/Bchord.png") { textBlock.Text = "B chord clicked"; } else if (source == "/Assets/Cchord.png") { textBlock.Text = "C chord clicked"; } } </code></pre> <p>Which works fine.</p> <p>I appreciate your help a lot, I will learn more about using delegates and lambdas at some point in the near future</p>
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    1. COIf you have recurring items, meaning they don't change during runtime, you could actually use anonymous delegates or lambdas.
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    2. COSorry, I dont understand, I'm not exactly the most knowledgable programmer
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    3. COIf you are really want to program Windows 8 apps, you will need to get an idea of lambdas and especially delegates as they server as base for events and other neat stuff.
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