1.1 --- a/Hardware/Identifier.cs	Tue Sep 07 22:15:02 2010 +0000
     1.2 +++ b/Hardware/Identifier.cs	Wed Sep 08 19:29:58 2010 +0000
     1.3 @@ -36,7 +36,6 @@
     1.4  */
     1.5  
     1.6  using System;
     1.7 -using System.Collections.Generic;
     1.8  using System.Text;
     1.9  
    1.10  namespace OpenHardwareMonitor.Hardware {
    1.11 @@ -45,7 +44,7 @@
    1.12  
    1.13      private static char SEPARATOR = '/';
    1.14  
    1.15 -    private static void CheckIdentifiers(string[] identifiers) {
    1.16 +    private static void CheckIdentifiers(string[] identifiers) {      
    1.17        foreach (string s in identifiers)
    1.18          if (s.Contains(" ") || s.Contains(SEPARATOR.ToString()))
    1.19            throw new ArgumentException("Invalid identifier");
    1.20 @@ -97,7 +96,34 @@
    1.21        if (other == null)
    1.22          return 1;
    1.23        else 
    1.24 -        return this.identifier.CompareTo(other.identifier);
    1.25 +        return string.Compare(this.identifier, other.identifier, 
    1.26 +          StringComparison.Ordinal);
    1.27      }
    1.28 +
    1.29 +    public static bool operator ==(Identifier id1, Identifier id2) {
    1.30 +      if (id1 == null)
    1.31 +        return id2 == null;
    1.32 +      else
    1.33 +        return id1.Equals(id2);
    1.34 +    }
    1.35 +
    1.36 +    public static bool operator !=(Identifier id1, Identifier id2) {
    1.37 +      return !(id1 == id2);
    1.38 +    }
    1.39 +
    1.40 +    public static bool operator <(Identifier id1, Identifier id2) {
    1.41 +      if (id1 == null)
    1.42 +        return id2 != null;
    1.43 +      else 
    1.44 +        return (id1.CompareTo(id2) < 0);
    1.45 +    }
    1.46 +
    1.47 +    public static bool operator >(Identifier id1, Identifier id2) {
    1.48 +      if (id1 == null)
    1.49 +        return false;
    1.50 +      else 
    1.51 +        return (id1.CompareTo(id2) > 0);
    1.52 +    }  
    1.53 +
    1.54    }
    1.55  }