SortKey.Equals Method

using System;
using System.Globalization;


public class SamplesSortKey  {

   public static void Main()  {

      // Creates two identical en-US cultures and one de-DE culture.
      CompareInfo myComp_enUS1 = new CultureInfo("en-US",false).CompareInfo;
      CompareInfo myComp_enUS2 = new CultureInfo("en-US",false).CompareInfo;
      CompareInfo myComp_deDE = new CultureInfo("de-DE",false).CompareInfo;

      // Creates the base SortKey to compare with all the others.
      SortKey mySK1 = myComp_enUS1.GetSortKey( "cant", CompareOptions.StringSort );
      // Creates a SortKey that is derived exactly the same way as the base SortKey.
      SortKey mySK2 = myComp_enUS1.GetSortKey( "cant", CompareOptions.StringSort );
      // Creates a SortKey that uses word sort, which is the default sort.
      SortKey mySK3 = myComp_enUS1.GetSortKey( "cant" );
      // Creates a SortKey for a different string.
      SortKey mySK4 = myComp_enUS1.GetSortKey( "can't", CompareOptions.StringSort );
      // Creates a SortKey from a different CompareInfo with the same culture.
      SortKey mySK5 = myComp_enUS2.GetSortKey( "cant", CompareOptions.StringSort );
      // Creates a SortKey from a different CompareInfo with a different culture.
      SortKey mySK6 = myComp_deDE.GetSortKey( "cant", CompareOptions.StringSort );

      // Compares the base SortKey with itself.
      Console.WriteLine( "Comparing the base SortKey with itself: {0}", mySK1.Equals( mySK1 ) );
      Console.WriteLine();

      // Prints the header for the table.
      Console.WriteLine( "CompareInfo   Culture      OriginalString   CompareOptions   Equals()" );

      // Compares the base SortKey with a SortKey that is 
      //    created from the same CompareInfo with the same string and the same CompareOptions.
      Console.WriteLine( "same          same         same             same             {0}", mySK1.Equals( mySK2 ) );

      // Compares the base SortKey with a SortKey that is  
      //    created from the same CompareInfo with the same string but with different CompareOptions.
      Console.WriteLine( "same          same         same             different        {0}", mySK1.Equals( mySK3 ) );

      // Compares the base SortKey with a SortKey that is  
      //    created from the same CompareInfo with the different string  
      //    but with the same CompareOptions.
      Console.WriteLine( "same          same         different        same             {0}", mySK1.Equals( mySK4 ) );

      // Compares the base SortKey with a SortKey that is  
      //    created from a different CompareInfo (same culture)  
      //    with the same string and the same CompareOptions.
      Console.WriteLine( "different     same         same             same             {0}", mySK1.Equals( mySK5 ) );

      // Compares the base SortKey with a SortKey that is  
      //    created from a different CompareInfo (different culture)  
      //    with the same string and the same CompareOptions.
      Console.WriteLine( "different     different    same             same             {0}", mySK1.Equals( mySK6 ) );

   }

}

/*
This code produces the following output.

Comparing the base SortKey with itself: True

CompareInfo   Culture      OriginalString   CompareOptions   Equals()
same          same         same             same             True
same          same         same             different        False
same          same         different        same             False
different     same         same             same             True
different     different    same             same             False

*/