title: What will CryptCATAdminAddCatalog do if catalog with specified name already exists
body: <p>I am using winApi with c++. I add catalog file with following command.</p>
  <pre><code>CryptCATAdminAddCatalog(
          admin,
          const_cast&lt;PWSTR&gt;(currentPath.c_str()),
          L&quot;Catalog.cat&quot;,
          0))
  </code></pre>
  <p>what will happend if Catalog.cat is already added. I read in documentation <a href="https://docs.microsoft.com/en-us/windows/win32/api/mscat/nf-mscat-cryptcatadminaddcatalog" rel="nofollow noreferrer">https://docs.microsoft.com/en-us/windows/win32/api/mscat/nf-mscat-cryptcatadminaddcatalog</a>, but it is not specified.</p>