title: How does CMake specify "Platform Toolset" for a Visual Studio 2015 project?
body: <p>There is a VS2015 project which is generated by CMake and I want to change its "Platform Toolset".</p>
  
  <p><img src="https://i.stack.imgur.com/MHhqR.jpg" alt="&quot;Platform Toolset&quot; Location"></p>
  
  <p>I have tried these solutions but it doesn't work:</p>
  
  <ol>
  <li><p><code>set (CMAKE_VS_PLATFORM_TOOLSET "v120")</code></p></li>
  <li><p><code>cmake -T "v120"</code></p></li>
  </ol>
  
  <p>Can anyone help? Thanks.</p>