关于c＃：按键排序字典？

sorting a dictionary by key?

我需要根据它的键对字典进行排序，因为wp7不支持SortedDictionary。我怎样才能做得好，容易和最佳？

我试过这个代码：

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Dictionary<string, string> dict = new Dictionary<string,string>();
dict.Add("3","three");
dict.Add("1","one");
dict.Add("2","two");

var sortedDict = (from entry in dict orderby entry.Key ascending select entry);

foreach (var k in sortedDict)
{
Console.WriteLine("key:{0}, val={1}", k.Key, k.Value);
}

这是可行的，但sorteddict不是字典。我解决了：

1 2	sortedDict = (from entry in dict orderby entry.Key ascending select entry) .ToDictionary(x => x.Key, x => x.Value);

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