--- a/OrthancFramework/Sources/DicomFormat/DicomImageInformation.h	Mon Nov 09 15:07:55 2020 +0100
+++ b/OrthancFramework/Sources/DicomFormat/DicomImageInformation.h	Mon Nov 09 15:22:43 2020 +0100
@@ -29,18 +29,7 @@
 namespace Orthanc
 {
   class ORTHANC_PUBLIC DicomImageInformation
-  {
-  public:
-    /**
-     * This constant gives a bound on the maximum tag length that is
-     * useful to class "DicomImageInformation", in order to avoid
-     * using too much memory when copying DICOM tags from "DcmDataset"
-     * to "DicomMap" using "ExtractDicomSummary()". The value 256
-     * corresponds to ORTHANC_MAXIMUM_TAG_LENGTH that was implicitly
-     * used in Orthanc <= 1.7.2.
-     **/
-    static const unsigned int USEFUL_TAG_LENGTH = 256;
-  
+  {  
   private:
     unsigned int width_;
     unsigned int height_;
@@ -95,5 +84,15 @@
                             bool ignorePhotometricInterpretation) const;
 
     size_t GetFrameSize() const;
+
+    /**
+     * This constant gives a bound on the maximum tag length that is
+     * useful to class "DicomImageInformation", in order to avoid
+     * using too much memory when copying DICOM tags from "DcmDataset"
+     * to "DicomMap" using "ExtractDicomSummary()". It answers the
+     * value 256, which corresponds to ORTHANC_MAXIMUM_TAG_LENGTH that
+     * was implicitly used in Orthanc <= 1.7.2.
+     **/
+    static unsigned int GetUsefulTagLength();
   };
 }