C#

public class Terminology : IComparable
{                
        private string term;
	private int df;
	private int qTf;
	private double qWeight;
	private ArrayList tf = new ArrayList();
	private ArrayList position= new ArrayList();
	private ArrayList docID= new ArrayList();
	private static int Count;

        public int CompareTo(object obj)
	{
		Terminology w = (Terminology) obj;
		return( w.term.CompareTo( w.term ));
	}

//only method in this class other than properties and constructors 
        public void incDF()
	{
		df++;
	}
}

public class TextMiner : System.Windows.Forms.Form , IComparable
{
const int WORDS = 20000;
public Terminology[] word = new Terminology[WORDS];
public void Indexer()
{
Array.Sort(word);
}
private string strValue = "term";
public int CompareTo(object obj)
{
	Terminology w = (Terminology) obj;
	return( strValue.CompareTo( w.term ));
}
}

for(int j = 0; j < Terminology.count-1; j++)
{
	sw.Write(j+1 +"\t"+word[j].term.PadRight(20,' '));
}

public int CompareTo(object obj)
{
   Terminology w = (Terminology) obj;
   return( this.term.CompareTo( w.term ));
}

private string strValue = "term";
public int CompareTo(object obj)
{
   Terminology w = (Terminology) obj;
   return( strValue.CompareTo( w.term ));
}
}

for(int j = 0; j < Terminology.count-1; j++)
{
   if (word[j] == null)
      MessageBox.Show("word array at index " + j + " is null");
   else if (word[j].term == null)
      MessageBox.Show("term property in word array at index " + j + " is null");
   sw.Write(j+1 +"\t"+word[j].term.PadRight(20,' '));
}

Robert Rohde wrote:

if (word[j] == null) MessageBox.Show("word array at index " + j + " is null");

using System;
using System.Collections;

namespace Test {
	// your class
	public class Word {
		private string value;
		private string anothervalue;

		public string Value {
			get { return value; }
			set { value = value; }
		}

		public string AnotherValue {
			get { return anothervalue; }
			set { anothervalue = value; }
		}
	}

	public class WordComparer : IComparer {
		public int Compare(object x, object y) {
			Word w1 = x as Word;
			Word w2 = y as Word;
			if (w1 == null || w2 == null) { return 0; }
			return w1.Value.CompareTo(w2.Word);
		}
	}

	// your application
	public class Application {
		public Word[] Sort(Word[] words) {
			return Array.Sort(words, new WordComparer());
		}
	}
}

public class WordComparer : IComparer
{
	
	public int Compare(object x, object y) 
	{			
		Terminology w1 = x as Terminology;			
		Terminology w2 = y as Terminology;			
		if (w1 == null || w2 == null) { return 0; }		
		return w1.term.CompareTo(w2.term);		
	}
}

public class TextMiner : System.Windows.Forms.Form 
{
                some code here........
                public Terminology[] word = new Terminology[WORDS];
                public void Indexer()
                {
                        Array.Sort(word, new WordComparer()); 
                }
}

for(int i = 0; i < Terminology.Count; i ++)
{
        do something with word[i];
}

public class TextMiner : System.Windows.Forms.Form {
	//some code here........
	public Terminology[] word = new Terminology[WORDS];
	public void Indexer() {
		word = Array.Sort(word, new WordComparer());
	}
}

BoneSoft wrote:

Array.Sort returns a new array

BoneSoft wrote:

word = Array.Sort(word, new WordComparer());