title: c# Where can find System.Windows.Controls.dll
body: <p>I have problem with dll file and have  project which need this file System.Windows.Controls.dll for </p>
  
  <pre><code>listBox1.ItemsSource
  </code></pre>
  
  <p>error fix , and add  reference with this dll to fix error.
  Where i can find this dll file?
  Is there any download link ? Share please !
  Thanks !</p>
  
  <p>In "Add Reference" it doesn't exist !</p>
  
  <p>Solution: <a href="http://download.microsoft.com/download/7/7/6/776875B7-AD81-44D4-AA47-648D1BCB097E/silverlight_sdk.exe" rel="noreferrer">http://download.microsoft.com/download/7/7/6/776875B7-AD81-44D4-AA47-648D1BCB097E/silverlight_sdk.exe</a></p>