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POHow to edit and save photo in Windows Store App?
 

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  1. POHow to edit and save photo in Windows Store App?
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    <p>I make some application which edit photo and save it in other location. So I find a <a href="https://stackoverflow.com/questions/12349611/how-to-resize-image-in-c-sharp-winrt-winmd">question</a> which shows how to resize photos in Windows Store Apps. Then I implement it in my program:</p> <pre><code>private async void ResizeButton_Click(object sender, RoutedEventArgs e) { uint width, height; if (uint.TryParse(WidthTextBox.Text, out width) &amp;&amp; uint.TryParse(HeightTextBox.Text, out height) &amp;&amp; _folderWithPhoto != null &amp;&amp; _targetFolder != null) //_folderWithPhoto and _targetFolder are StorageFolder values get from FolderPicker { var files = await _folderWithPhoto.GetFilesAsync(); foreach (StorageFile item in files) { if (item.ContentType.Contains("image")) { StorageFile targetFile = await item.CopyAsync(_targetFolder, item.Name, NameCollisionOption.GenerateUniqueName); var fileStream = await targetFile.OpenAsync(Windows.Storage.FileAccessMode.ReadWrite); BitmapDecoder decoder = await BitmapDecoder.CreateAsync(fileStream); InMemoryRandomAccessStream ras = new InMemoryRandomAccessStream(); BitmapEncoder enc = await BitmapEncoder.CreateForTranscodingAsync(ras, decoder); enc.BitmapTransform.ScaledHeight = height; enc.BitmapTransform.ScaledWidth = width; await enc.FlushAsync(); } } } } </code></pre> <p><strong>Problem</strong></p> <p>Result of this code is the same photo saved in <code>_targetFolder</code> catalogue. So I have no idea how to fix it.</p> <p>Any help would be appreciated.</p>
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    1. USMateusz Rogulski
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    1. COWindows.Storage.FileAccessMode.Read can't you change that to ReadWrite it looks like you are trying to save the new file which is an exact copy of the original file.. I am taking a stab in the dark await file.OpenAsync(Windows.Storage.FileAccessMode.ReadWrite);
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    2. CO@DJKRAZE Thanks, I haven't noticed that, but this doesn't help.
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      1. USMateusz Rogulski
    3. COhave you Detached the Stream InMemoryRandomAccessStream for example after the await enc.FlushAsync(); add this code `ras.DetachStream();` http://msdn.microsoft.com/en-us/library/windows/apps/windows.storage.streams.inmemoryrandomaccessstream - this link can also give you an idea http://social.msdn.microsoft.com/Forums/en-US/winappswithhtml5/thread/cf8c17dc-68d4-4777-951f-bb7f0665bd06/
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