IList <DataRegionMemberInstance> IMemberHierarchy.GetChildMemberInstances(bool isRowMember, int memberIndexInCollection)
 {
     return(ScopeInstance.GetChildMemberInstances(m_children, memberIndexInCollection));
 }
 IList <DataRegionMemberInstance> IMemberHierarchy.GetChildMemberInstances(bool isRowMember, int memberIndexInCollection)
 {
     return(ScopeInstance.GetChildMemberInstances(isRowMember ? m_rowMembers : m_columnMembers, memberIndexInCollection));
 }