--- a/OrthancFramework/Sources/Toolbox.h	Wed May 14 10:57:35 2025 +0200
+++ b/OrthancFramework/Sources/Toolbox.h	Fri May 16 17:15:54 2025 +0200
@@ -82,7 +82,7 @@
   class ORTHANC_PUBLIC Toolbox
   {
   public:
-    class ORTHANC_PUBLIC LinesIterator
+    class ORTHANC_PUBLIC LinesIterator : public boost::noncopyable
     {
     private:
       const std::string& content_;
@@ -377,11 +377,13 @@
 
     static void RemoveSurroundingQuotes(std::string& value);
 
-    class ORTHANC_PUBLIC ElapsedTimer
+    class ORTHANC_PUBLIC ElapsedTimer : public boost::noncopyable
     {
+    private:
       boost::posix_time::ptime  start_;
+
     public:
-      explicit ElapsedTimer();
+      ElapsedTimer();
 
       uint64_t GetElapsedMilliseconds();
       uint64_t GetElapsedMicroseconds();
@@ -396,14 +398,16 @@
     // This is a helper class to measure and log time spend e.g in a method.
     // This should be used only during debugging and should likely not ever be used in a release.
     // By default, you should use it as a RAII but you may force Restart/StopAndLog manually if needed.
-    class ORTHANC_PUBLIC DebugElapsedTimeLogger
+    class ORTHANC_PUBLIC DebugElapsedTimeLogger : public boost::noncopyable
     {
+    private:
       ElapsedTimer      timer_;
       const std::string message_;
-      bool logged_;
+      bool              logged_;
 
     public:
       explicit DebugElapsedTimeLogger(const std::string& message);
+
       ~DebugElapsedTimeLogger();  
 
       void Restart();
@@ -412,12 +416,15 @@
 
     // This variant logs the same message when entering the method and when exiting (with the elapsed time).
     // Logs goes to verbose-http.
-    class ORTHANC_PUBLIC ApiElapsedTimeLogger
+    class ORTHANC_PUBLIC ApiElapsedTimeLogger : public boost::noncopyable
     {
+    private:
       ElapsedTimer      timer_;
       const std::string message_;
+
     public:
       explicit ApiElapsedTimeLogger(const std::string& message);
+
       ~ApiElapsedTimeLogger();
     };