By default AddBaseTag is set to False.
Boolean AddBaseTag;
HRESULT put_AddBaseTag( [in] VARIANT_BOOL bAdd ); HRESULT get_AddBaseTag( [out] VARIANT_BOOL* bAdd );
bAdd [in] VARIANT_BOOL, [out] VARIANT_BOOL * - add <BASE> tag or not
void SetAddBaseTag( bool bAdd ); bool GetAddBaseTag();
bAdd bool - add <BASE> tag or not
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