title: Copy file to Local folder in Win 8
body: <p>i want file copy from pictures libary to local folder:</p>
  
  <pre><code>string path = ApplicationData.Current.LocalFolder.Path + "\\files";//error:Additional information: Object reference not set to an instance of an object.
  folder = await folder.GetFolderAsync(path);
   await file.CopyAsync(folder);
  </code></pre>
  
  <p>And i got this error:Additional information: Object reference not set to an instance of an object.</p>
  
  <p>What am i doing wrong ?</p>