Index: trunk/MagicSoft/Mars/mbase/MWriteRootFile.h
===================================================================
--- trunk/MagicSoft/Mars/mbase/MWriteRootFile.h	(revision 967)
+++ trunk/MagicSoft/Mars/mbase/MWriteRootFile.h	(revision 969)
@@ -28,4 +28,6 @@
     void SetWriteFlag() { fWriteFlag = kTRUE; }
     void DelWriteFlag() { fWriteFlag = kFALSE; }
+
+    ClassDef(MRootFileTree, 0)  // Storage container for MWriteRootFile to store Tree informations
 };
 
@@ -68,4 +70,5 @@
     void SetTree(MRootFileTree *tree) { fTree = tree; }
 
+    ClassDef(MRootFileBranch, 0) // Storage container for MWriteRootFile to store TBranch informations
 };