title: WIN32 Preprocessor definition in 64bit windows platform
body: <p>Should we change the preprocessor definition from WIN32 to WIN64 while migrating Visual 2012 C++ Projects to Target 64-Bit Platforms.</p>
  
  <p>Now I have built the project with below settigns</p>
  
  <ul>
  <li><p>MACHINE (Specify Target Platform) is set to <code>/MACHINE:X64</code>.</p></li>
  <li><p>Target Environment is set to <code>/env x64</code></p></li>
  <li><p>in C/C++ project settings -> Code Generation, Struct Member
  Allignment to 8 BYtes</p></li>
  </ul>
  
  <p>Please guide me what else project settings i should target to change.</p>