.NET Framework Standard Library Annotated Reference, Volume 1: Base Class Library and Extended Numerics Library

Example

using System;
using System.Text;

namespace Samples
{
  public class StringBuilderSample
  {
    public static void Main()
    {
      StringBuilder sb = new StringBuilder("Hello");
      Console.WriteLine("Capacity: {0}",
                        sb.Capacity);
      Console.WriteLine("MaxCapacity: {0}",
                        sb.MaxCapacity);
      Console.WriteLine("Length: {0}",
                        sb.Length);
      sb.Append(" world! ");
      sb.Insert(11, " from DAMIEN");
      sb.Replace("DAMIEN", "damien");
      sb.AppendFormat("appended at {0:dd/MM/yy}",
                      DateTime.Now);
      string s = sb.ToString();
      sb.Remove(11, 13);
      Console.WriteLine(s);
      Console.WriteLine(sb);
    }
  }
}

The output is

Capacity: 16
MaxCapacity: 2147483647
Length: 5
Hello world from damien! appended at 23/06/03
Hello world appended at 23/06/03