using System;
using System.Collections;
using System.Globalization;
class myCultureComparer : IEqualityComparer
{
public CaseInsensitiveComparer myComparer;
public myCultureComparer()
{
myComparer = CaseInsensitiveComparer.DefaultInvariant;
}
public myCultureComparer(CultureInfo myCulture)
{
myComparer = new CaseInsensitiveComparer(myCulture);
}
public new bool Equals(object x, object y)
{
if (myComparer.Compare(x, y) == 0)
{
return true;
}
else
{
return false;
}
}
public int GetHashCode(object obj)
{
return obj.ToString().ToLower().GetHashCode();
}
}
public class SamplesHashtable
{
public static void Main()
{
SortedList mySL = new SortedList();
mySL.Add("A", "a");
mySL.Add("B", "b");
mySL.Add("C", "c");
Hashtable myHT1 = new Hashtable(mySL);
Hashtable myHT2 = new Hashtable(mySL, new myCultureComparer());
CultureInfo myCul = new CultureInfo("tr-TR");
Hashtable myHT3 = new Hashtable(mySL, new myCultureComparer(myCul));
Console.WriteLine("first is in myHT1: {0}", myHT1.ContainsKey("first"));
Console.WriteLine("first is in myHT2: {0}", myHT2.ContainsKey("first"));
Console.WriteLine("first is in myHT3: {0}", myHT3.ContainsKey("first"));
}
}