combine three parts

Path.combine can only combine two string, is there a qucik way to combine开发者_运维百科 three and four strings?

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Upgrade to .Net 4.0, which adds the overloads you're looking for.

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If you're stuck in .Net 3.5, you can call Path.Combine multiple times.

If you have an IEnumerable<string>, you can write

string path = strings.Aggregate(Path.Combine);

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I'm not a C# programmer, but something like

string s = Path.Combine("str1", Path.Combine("str2", Path.Combine("str3", "str4")));

Seems obvious.

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If you can upgrade to .NET 4.0 it has what you are looking for.

Otherwise:

public string Combine(IEnumerable<string> strings) {
    return strings.Aggregate((x, y) => Path.Combine(x, y));
}

and

public string Combine(params string[] strings) {
    return Combine((IEnumerable<string>)strings);
}