C#/DictionaryToArray.cs

   1 using System.Collections.Generic;
   2
   3 namespace IEnumerableExtras
   4 {
   5     /// <summary>
   6     /// Provedes extension method for <see cref="IDictionary{T,T}"/> to convert dictionary to an array.
   7     /// </summary>
   8     public static class DictionaryToArray
   9     {
  10         /// <summary>
  11         /// Convert this instance of <see cref="IDictionary{T,T}"/> to a rectangular
  12         /// arry of type <typeparamref name="T"/>.
  13         /// </summary>
  14         /// <typeparam name="T">Type for both keys and values of dictionary.</typeparam>
  15         /// <param name="dictionary"></param>
  16         /// <returns></returns>
  17         public static T[,] ToArray< T >( this IDictionary<T, T> dictionary )
  18         {
  19             T[,] result = new T[dictionary.Count,2];
  20             int i = 0;
  21
  22             foreach ( KeyValuePair<T, T> pair in dictionary )
  23             {
  24                 result[ i, 0 ] = pair.Key;
  25                 result[ i, 1 ] = pair.Value;
  26
  27                 ++i;
  28             }
  29
  30             return result;
  31         }
  32     }
  33 }