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How to list all Variables of Class

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情书的邮戳
情书的邮戳 2020-11-27 05:49

Is there a way to list all Variables (Fields) of a class in C#. If yes than could someone give me some examples how to save them in a List and get them maybe us

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  • 无人及你
    无人及你 (楼主)
    2020-11-27 06:31

    Your question isn't perfectly clear. It sounds like you want the values of the fields for a given instance of your class:

    var fieldValues = foo.GetType()
                     .GetFields()
                     .Select(field => field.GetValue(foo))
                     .ToList();

    Note that fieldValues is List. Here, foo is an existing instance of your class.

    If you want public and non-public fields, you need to change the binding flags via

    var bindingFlags = BindingFlags.Instance |
                   BindingFlags.NonPublic |
                   BindingFlags.Public;
var fieldValues = foo.GetType()
                     .GetFields(bindingFlags)
                     .Select(field => field.GetValue(foo))
                     .ToList();

    If you merely want the names:

    var fieldNames = typeof(Foo).GetFields()
                            .Select(field => field.Name)
                            .ToList();

    Here, Foo is the name of your class.

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