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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4.  
  5. public class Test
  6. {
  7.     class OrganisationUnit
  8.         {
  9.             public string ID;
  10.             public int Index;
  11.         }
  12.  
  13. 	public static void Main()
  14. 	{
  15.              OrganisationUnit[] units = { 
  16.                 new OrganisationUnit{ID="A",Index=1},new OrganisationUnit{ID="B",Index=2},new OrganisationUnit{ID="C",Index=3},
  17.                 new OrganisationUnit{ID="D",Index=4},new OrganisationUnit{ID="E",Index=5},new OrganisationUnit{ID="F",Index=6},new OrganisationUnit{ID="G",Index=7}
  18.             };
  19.  
  20.             var f = units.First(u => u.ID == "F");
  21.             int newFIndex = 2;
  22.             foreach (OrganisationUnit u in units.Where(u => u.Index >= newFIndex && u.Index < f.Index).ToList())
  23.                 u.Index++;
  24.             f.Index = newFIndex;
  25.  
  26.     foreach (OrganisationUnit u in units.OrderBy(uu => uu.Index))
  27.         Console.WriteLine(string.Format("ID={0} Index={1}",u.ID,u.Index));
  28. 	}
  29. }
Success #stdin #stdout 0.05s 38208KB
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stdin
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Standard input is empty
stdout
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ID=A Index=1
ID=F Index=2
ID=B Index=3
ID=C Index=4
ID=D Index=5
ID=E Index=6
ID=G Index=7
https://ideone.com/bVjYm7
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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