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Question by juanelo · Jul 23, 2011 at 11:58 PM · sortcomparison

sort array of transforms by name

Hi, I've been trying to sort a list of transforms by name in c# to no avail. I've read the 'sort' documentation, but I can't get it to work. I also can't get CompareTo to work in any way, even though i've added System.Collections.Generic.

I would greatly appreciate an example.

Thanks, -Juanelo

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Answer by Bunny83 · Jul 24, 2011 at 01:45 AM

I guess the easiest way is to use the Comparison version of Sort().

http://msdn.microsoft.com/en-us/library/w56d4y5z.aspx

You just need to define a method that takes two references of the type you want to compare and that returns an integer.

The Comparison delegate:
http://msdn.microsoft.com/en-us/library/tfakywbh.aspx

 public class Example : MonoBehaviour
 {
     public List<Transform> myList;
     
     private static int CompareTransform(Transform A, Transform B)
     {
         return A.name.CompareTo(B.name);
     }
     public void SortList()
     {
         myList.Sort(CompareTransform);
     }
     [...]
 }

That should do what you want, haven't tested it ...

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avatar image juanelo · Jul 24, 2011 at 06:31 PM 0
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Thank you Bunny, I'll give that a shot. I really appreciate your help.

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Answer by Chuckalicious · Jul 27, 2015 at 06:59 AM

I've seen the same issue. Bunny what you have is basically the same as:

using System.Linq;

_myList.Sort((x, y) => x.name.CompareTo(y.name));

However, t$$anonymous$$s still does not seem to sort correctly. I have a list of transforms all named Tile_1, Tile_2, Tile_3, ...

I still can get t$$anonymous$$s to sort in order of 1, 2, 3, 4,....

What gives?

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