How to convert string[] to ArrayList?

Question

I have an array of strings. How can I convert it to System.Collections.ArrayList?

Is there a particular reason you need to use an ArrayList? Use List<string> instead. — Igal Tabachnik
– Igal Tabachnik, Commented Nov 9, 2009 at 15:40
Why not just leave it as the Array (or more accurately, IEnumerable<string>) and use the LINQ Extensions? — James Schek
– James Schek, Commented Nov 9, 2009 at 16:17

Kyle B. · Accepted Answer · 2009-11-09 15:38:01Z

46

string[] myStringArray = new string[2];
myStringArray[0] = "G";
myStringArray[1] = "L";

ArrayList myArrayList = new ArrayList();
myArrayList.AddRange(myStringArray);

answered Nov 9, 2009 at 15:38

Kyle B.

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jthg · Accepted Answer · 2009-11-09 15:37:39Z

45

Just use ArrayList's constructor:

var a = new string[100]; 
var b = new ArrayList(a);

answered Nov 9, 2009 at 15:37

jthg

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2 Comments

user1228 Over a year ago

The lowest of low hanging fruit.

Chad Over a year ago

Appears cleaner and a smaller code-footprint than the accepted .AddRange() approach.

IordanTanev · Accepted Answer · 2009-11-09 15:38:25Z

3

System.Collections.ArrayList list = new System.Collections.ArrayList( new string[] { "a", "b", "c" } );

answered Nov 9, 2009 at 15:38

IordanTanev

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Comments

Tokar · Accepted Answer · 2017-02-15 08:59:29Z

1

public stringList[] = {"one", "two", "three"};
public ArrayList myArrayList;

     myArrayList = new ArrayList();
     foreach (string i in stringList)
     {
         myArrayList.Add(i);
     }

answered Feb 15, 2017 at 8:59

Tokar

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