如何在c#中将ArrayList转换为字符串数组(string[])
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How to convert ArrayList into string array(string[]) in c#
提问by Praveen Kumar
How can I convert ArrayListinto string[]in C#?
如何在 C# 中转换ArrayList为string[]？
采纳答案by Mustafa Ekici
string[] myArray = (string[])myarrayList.ToArray(typeof(string));
回答by Nuffin
using System.Linq;
public static string[] Convert(this ArrayList items)
{
return items == null
? null
: items.Cast<object>()
.Select(x => x == null ? null : x.ToString())
.ToArray();
}
回答by Renatas M.
use .ToArray(Type)
string[] stringArray = (string[])arrayList.ToArray(typeof(string));
回答by Chuck Norris
Try do that with ToArray()method.
尝试用ToArray()方法做到这一点。
ArrayList a= new ArrayList(); //your ArrayList object
var array=(String[])a.ToArray(typeof(string)); // your array!!!
回答by Rajkumar Vasan
You can use CopyTo method of ArrayList object.
您可以使用 ArrayList 对象的 CopyTo 方法。
Let's say that we have an arraylist, which has String Type as Elements.
假设我们有一个数组列表，它的元素是字符串类型。
strArrayList.CopyTo(strArray)
回答by MoonKnight
A simple Google or search on MSDN would have done it. Here:
一个简单的谷歌或 MSDN 上的搜索就可以完成。这里：
ArrayList myAL = new ArrayList();
// Add stuff to the ArrayList.
String[] myArr = (String[]) myAL.ToArray( typeof( string ) );
回答by user746227
Another way is as follows.
另一种方式如下。
System.Collections.ArrayList al = new System.Collections.ArrayList();
al.Add("1");
al.Add("2");
al.Add("3");
string[] asArr = new string[al.Count];
al.CopyTo(asArr);
