Index: trunk/MagicSoft/Mars/mhbase/MFillH.cc
===================================================================
--- trunk/MagicSoft/Mars/mhbase/MFillH.cc	(revision 5692)
+++ trunk/MagicSoft/Mars/mhbase/MFillH.cc	(revision 5713)
@@ -166,9 +166,9 @@
         return;
 
-    fTitle = "Fill " + fHName;
+    fTitle = Form("Fill %s", fHName.Data());
     if (fParContainerName.IsNull())
         return;
 
-    fTitle += " from " + fParContainerName;
+    fTitle += Form(" from %s", fParContainerName.Data());
 }
 
@@ -209,5 +209,5 @@
 
     if (!title)
-        fTitle = "Fill " + fHName + " from " + par->GetDescriptor();
+        fTitle = Form("Fill %s from %s", fName.Data(), par->GetDescriptor().Data());
 }
 
@@ -236,9 +236,9 @@
         return;
 
-    fTitle = (TString)"Fill " + hist->GetDescriptor();
+    fTitle = Form("Fill %s", hist->GetDescriptor().Data());
     if (!par)
         return;
 
-    fTitle += " from " + fParContainerName;
+    fTitle += Form(" from %s", fParContainerName.Data());
 }
 
@@ -265,5 +265,5 @@
 
     if (!title)
-        fTitle = (TString)"Fill " + hist->GetDescriptor() + " from " + par->GetDescriptor();
+        fTitle = Form("Fill %s from %s", hist->GetDescriptor().Data(), par->GetDescriptor().Data());
 }