NodeSorter.cs

   1 using System;
   2 using System.Collections;
   3 using System.Text;
   4 using System.Windows.Forms;
   5
   6 namespace Widgit
   7 {
   8     public class NodeSorter : IComparer
   9     {
  10         public int Compare(object x, object y)
  11         {
  12             TreeNode tx = x as TreeNode;
  13             TreeNode ty = y as TreeNode;
  14
  15             // Compare the length of the strings, returning the difference.
  16             if (tx.Nodes.Count > 0 && ty.Nodes.Count < 1)
  17                 return -1;
  18             if (tx.Nodes.Count < 1 && ty.Nodes.Count > 0)
  19                 return 1;
  20
  21             return string.Compare(tx.Text, ty.Text);
  22         }
  23
  24     }
  25 }