--- a/OrthancFramework/Sources/DicomFormat/DicomPath.cpp	Thu Jun 10 10:09:54 2021 +0200
+++ b/OrthancFramework/Sources/DicomFormat/DicomPath.cpp	Thu Jun 10 10:54:14 2021 +0200
@@ -63,6 +63,13 @@
   }
 
   
+  void DicomPath::PrefixItem::SetIndex(size_t index)
+  {
+    isUniversal_ = false;
+    index_ = index;
+  }
+
+
   DicomTag DicomPath::ParseTag(const std::string& token)
   {
     DicomTag tag(0,0);
@@ -189,6 +196,20 @@
   }
 
 
+  void DicomPath::SetPrefixIndex(size_t level,
+                                 size_t index)
+  {
+    if (level >= prefix_.size())
+    {
+      throw OrthancException(ErrorCode_ParameterOutOfRange);
+    }
+    else
+    {
+      prefix_[level].SetIndex(index);
+    }
+  }
+
+
   std::string DicomPath::Format() const
   {
     std::string s;