+
+<pre>
+Example :
+
+old way :
+ DocEntry *p3 = item2->GetDocEntry(0x0018,0x0050);
+ if( !p3 ) return false;
+ ContentEntry *entry2 = dynamic_cast<ContentEntry *>(p3);
+ std::string thickness = entry2->GetValue();
+
+new way :
+ DocEntry *p3 = item2->GetDocEntry(0x0018,0x0050);
+ if( !p3 ) return false;
+ DataEntry *entry2 = dynamic_cast<DataEntry *>(p3);
+ std::string thickness = entry2->GetString();
+
+</pre>
+