public bool HasGroup(string name) { return(ChildContainer.ContainsKey(name)); }
public bool Contains(HistoryGroup item) { return(ChildContainer.ContainsKey(item.Name)); }
public bool HasGroup(string name) { return(ChildContainer.ContainsKey(name)); }
public bool Contains(HistoryGroup item) { return(ChildContainer.ContainsKey(item.Name)); }