diff --git a/_includes/sidelist-programming/programming-cpp.html b/_includes/sidelist-programming/programming-cpp.html
index 0b7f98c6..169da654 100644
--- a/_includes/sidelist-programming/programming-cpp.html
+++ b/_includes/sidelist-programming/programming-cpp.html
@@ -184,7 +184,6 @@
                         <li><a href="{{ site.dcvb_cpp_api }}core/basic-structures/video-frame-tag.html" class="otherLinkColour">CVideoFrameTag</a></li>
                     </ul>
                 </li>
-                
                 <li><a>Structs</a>
                     <ul>
                         <li><a href="{{ site.dcvb_cpp_api }}core/structs/intermediate-result-extra-info.html" class="otherLinkColour">IntermediateResultExtraInfo</a></li>
@@ -217,14 +216,23 @@
         </li>
         <li><a>DynamsoftUtility</a>
             <ul>
-                <li><a href="{{ site.dcvb_cpp_api }}utility/directory-fetcher.html" class="otherLinkColour">CDirectoryFetcher</a></li>
-                <li><a href="{{ site.dcvb_cpp_api }}utility/file-fetcher.html" class="otherLinkColour">CFileFetcher</a></li>
-                <li><a href="{{ site.dcvb_cpp_api }}utility/image-io.html" class="otherLinkColour">CImageIO</a></li>
-                <li><a href="{{ site.dcvb_cpp_api }}utility/image-processor.html" class="otherLinkColour">CImageProcessor</a></li>
-                <li><a href="{{ site.dcvb_cpp_api }}utility/image-drawer.html" class="otherLinkColour">CImageDrawer</a></li>
-                <li><a href="{{ site.dcvb_cpp_api }}utility/multi-frame-result-cross-filter.html" class="otherLinkColour">CMultiFrameResultCrossFilter</a></li>
-                <li><a href="{{ site.dcvb_cpp_api }}utility/proactive-image-source-adapter.html" class="otherLinkColour">CProactiveImageSourceAdapter</a></li>
-                <li><a href="{{ site.dcvb_cpp_api }}utility/utility-module.html" class="otherLinkColour">CUtilityModule</a></li>
+                <li><a>Classes</a>
+                    <ul>
+                        <li><a href="{{ site.dcvb_cpp_api }}utility/directory-fetcher.html" class="otherLinkColour">CDirectoryFetcher</a></li>
+                        <li><a href="{{ site.dcvb_cpp_api }}utility/file-fetcher.html" class="otherLinkColour">CFileFetcher</a></li>
+                        <li><a href="{{ site.dcvb_cpp_api }}utility/image-io.html" class="otherLinkColour">CImageIO</a></li>
+                        <li><a href="{{ site.dcvb_cpp_api }}utility/image-processor.html" class="otherLinkColour">CImageProcessor</a></li>
+                        <li><a href="{{ site.dcvb_cpp_api }}utility/image-drawer.html" class="otherLinkColour">CImageDrawer</a></li>
+                        <li><a href="{{ site.dcvb_cpp_api }}utility/multi-frame-result-cross-filter.html" class="otherLinkColour">CMultiFrameResultCrossFilter</a></li>
+                        <li><a href="{{ site.dcvb_cpp_api }}utility/proactive-image-source-adapter.html" class="otherLinkColour">CProactiveImageSourceAdapter</a></li>
+                        <li><a href="{{ site.dcvb_cpp_api }}utility/utility-module.html" class="otherLinkColour">CUtilityModule</a></li>
+                    </ul>
+                </li>
+                <li><a>Enums</a>
+                    <ul>
+                        <li><a href="{{ site.dcvb_cpp_api }}utility/enum-filter-type.html" class="otherLinkColour">FilterType</a></li>
+                    </ul>
+                </li>
             </ul>
         </li>
         <li><a>DynamsoftLicense</a>