c#删除list中的元素

publicstaticvoidTestRemove(){
string[]str={"1","2","d","x"};
List<string>list=newList<string>(str);

#regionhaserror
for(inti=0;i<list.Count;i++)
{
Console.WriteLine(list[i]);
Console.WriteLine("Result:"+i+":"+i/2);
if(i%2==0)
{
list.Remove(list[i]);
}
}
#endregion

Console.WriteLine("============================================");
list=newList<string>(str);
for(inti=list.Count-1;i>=0;i--)
{
Console.WriteLine(list[i]);
Console.WriteLine("Result:"+i+":"+i/2);
if(i%2==0)
{
Console.WriteLine(string.Format("delete.index:{0}value:{1}",i,list[i]));
list.Remove(list[i]);

}
}
}

output:

1
Result:0:0
d
Result:1:0
x
Result:2:1
============================================
x
Result:3:1
d
Result:2:1
delete.index:2value:d
2
Result:1:0
1
Result:0:0
delete.index:0value:1

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