如何将IEnumerable转换为字符串以将其放入C#的消息框中? [英] How to convert an IEnumerable into a string to put it in a message box in c#?

问题描述

我有一个IEnumerable，其中包含两个文件的差异.我想在消息框中显示这些差异.

I have an IEnumerable which contains differences of two files. I want to show these differences in a message box.

我尝试使用toArray()方法和toString()方法将其转换.

I tried to convert it with the toArray() method and with the toString() method.

IEnumerable<String> inFirstNotInSecond = file1Lines.Except(file2Lines);
IEnumerable<String> inSecondNotInFirst = file2Lines.Except(file1Lines);

//i also tried this commented line below
//string Diff = new string(inFirstNotInSecond.Take(50).ToArray());

string Diff = inFirstNotInSecond.ToArray().ToString();
string Diff2 = inSecondNotInFirst.ToString();
MessageBox.Show("Difference:" + Diff + Diff2);

运行代码时，我没有得到预期的差异，而是这样:"System.String [] System.Linq.Enumerable + d__73`1 [System.String]"

When I run the code I don't get the expected differences but rather this: "System.String[]System.Linq.Enumerable+d__73`1[System.String]"

推荐答案

List<string> myStrings = new List<string>()
{
    "aaa",
    "bbb",
    "ccc",
};

Console.WriteLine(String.Join(";", myStrings));
// Result:
// aaa;bbb;ccc

Console.WriteLine(String.Join("\n", myStrings));
// Result:
// aaa
// bbb
// ccc

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