title: C# Automatic designer code not generate in Visual studio
body: <p>I convert my solution from visual studio 2008 to 2010.
  After this when i add or delete control from designer form, the automatic code is not generated. Also the warning is appeared:</p>
  
  <blockquote>
    <p>A custom tool 'SettingsSingleFileGenerator' is associated with file 'Properties>>\Settings.settings', but the output of the custom tool was not found in the project. You may try re-running the custom tool by right-clicking on the file in the Solution Explorer and choosing Run Custom Tool.</p>
  </blockquote>
  
  <p>I have not Properties\Settings.settings file (and in vs 2008 i had not it).</p>
  
  <p>How can I fix this problem?</p>