Index: trunk/MagicSoft/Mars/mfileio/MWriteRootFile.h
===================================================================
--- trunk/MagicSoft/Mars/mfileio/MWriteRootFile.h	(revision 8780)
+++ trunk/MagicSoft/Mars/mfileio/MWriteRootFile.h	(revision 8933)
@@ -133,4 +133,10 @@
     void AddCopySource(const char *tname, const char *bname=NULL);
 
+    void AddTree(const char *name, Bool_t force=kTRUE)
+    {
+        AddContainer(Form("MReport%s", name), name, force);
+        AddContainer(Form("MTime%s", name),   name, force);
+    }
+
     void Print(Option_t *t=NULL) const;
 
