Add new functions     virtual Bool_t   IsVertical() const     virtual void     SetVertical(Bool_t vert=kTRUE)
Add new functions
    virtual Bool_t   IsVertical() const
    virtual void     SetVertical(Bool_t vert=kTRUE)


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@3597 27541ba8-7e3a-0410-8455-c3a389f83636

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