title: Find method in std::wstring
body: <p>I have declared <code>Wstring</code> as follows</p>
  
  <pre><code>wstring strID
  </code></pre>
  
  <p>When I try to find the occurrences sub-string as follows</p>
  
  <pre><code>int index =   strID.find("LABS");
  </code></pre>
  
  <p>I am getting error like the following</p>
  
  <pre><code>error C2664: 'unsigned int std::basic_string&lt;_Elem,_Traits,_Ax&gt;::find(const std::basic_string&lt;_Elem,_Traits,_Ax&gt; &amp;,unsigned int) const' : cannot convert parameter 1 from 'const char [13]' to 'const std::basic_string&lt;_Elem,_Traits,_Ax&gt; &amp;'
  </code></pre>
  
  <p>Can you please help me to find the occurrences of sub-string?</p>