獲取 List 中不同值的列表 - Get a list of distinct values in List

問題：

In C#, say I have a class called Note with three string member variables.在 C# 中，假設我有一個名爲Note的類，其中包含三個字符串成員變量。

public class Note
{
    public string Title;
    public string Author;
    public string Text;
}

And I have a list of type Note :我有一個Note類型的列表：

List<Note> Notes = new List<Note>();

What would be the cleanest way to get a list of all distinct values in the Author column?在 Author 列中獲取所有不同值的列表的最簡潔方法是什麼？

I could iterate through the list and add all values that aren't duplicates to another list of strings, but this seems dirty and inefficient.我可以遍歷列表並將所有不重複的值添加到另一個字符串列表中，但這看起來很髒而且效率低下。 I have a feeling there's some magical Linq construction that'll do this in one line, but I haven't been able to come up with anything.我有一種感覺，有一些神奇的 Linq 結構可以在一行中做到這一點，但我一直想不出任何東西。

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解決方案：

參考一： https://en.stackoom.com/question/h1pB
參考二： https://stackoom.com/question/h1pB