osu.Framework/Graphics/Containers/Container.cs
/// <summary>
/// Adds a range of children. This is equivalent to calling <see cref="Add(T)"/> on
/// each element of the range in order.
/// </summary>
Adds a range of children. This is equivalent to calling  on
each element of the range in order.
Adds a range of children . This is equivalent to calling on each element of the range in order .
public void AddRange(IEnumerable<T> range)
        {
            foreach (T d in range)
                Add(d);
        }
public void AddRange ( IEnumerable < T > range ) { foreach ( T d in range ) Add ( d ) ; }
Adds a range of children.
Adds a range of children .
range
IEnumerable<T>