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How do I add an enumeration to an array

Posted on 2011-03-03
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Last Modified: 2012-05-11
I have the following enumeration:

Doncaster= 5
Sheffield= 14
Derby= 6
I add the enumartion to an array

Dim enumValues As Array = System.[Enum].GetValues(GetType(Enumirations.Stores))

The problem is that it need it to add into the array by order of the name of the enumaration but instead it orders it by value.  So the above example would  be  (5,6,14) but I need to stay in the same order as it is listed in the enumeration.

Thanks
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Question by:Michael Roodt
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3 Comments
 
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by:MedievalWarrior
ID: 35028610

See Parameters section
http://msdn.microsoft.com/en-us/library/system.enum.getvalues(v=VS.80).aspx

" The elements of the array are sorted by the binary values of the enumeration constants. "


You would need to use some other form of storage like Dictionary or List(Of type) if you want to make it ordered
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by:TommySzalapski
ID: 35028621
You could just make an integer array and store the values in that. Or make your own enumerator class that contains an int and a string and use that.
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käµfm³d   👽 earned 500 total points
ID: 35028811
>>  but I need to stay in the same order as it is listed in the enumeration.

I don't think you're going to come across code that will do this kind of ordering. GetValues() returns the enum items in order of increasing value; GetNames() returns the enum items in lexical order. I don't see another method which would accomplish this goal.

You *may* be able to do this via Reflection, but I would ask you, "how important is this to you?" Reflection shouldn't be used willy-nilly.

I played with the following. It will sort the array in lexical order, but with the values as the data in each slot:
Dim enumValues As Array = System.Enum.GetValues(GetType(Stores))

Array.Sort(System.Enum.GetNames(GetType(Stores)), enumValues)

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