Reflection/List properties: Difference between revisions
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Some languages support dynamic properties, which in general can only be inspected if a class' public API includes a way of listing them. |
Some languages support dynamic properties, which in general can only be inspected if a class' public API includes a way of listing them. |
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=={{header|C sharp}}== |
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{{works with|C sharp|7}} |
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<lang csharp>using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Reflection; |
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public static class Reflection |
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{ |
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public static void Main() { |
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var t = new TestClass(); |
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var flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance; |
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foreach (var prop in GetPropertyValues(t, flags)) { |
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Console.WriteLine(prop); |
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} |
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foreach (var field in GetFieldValues(t, flags)) { |
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Console.WriteLine(field); |
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} |
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} |
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public static IEnumerable<(string name, object value)> GetPropertyValues<T>(T obj, BindingFlags flags) => |
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from p in typeof(T).GetProperties(flags) |
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where p.GetIndexParameters().Length == 0 //To filter out indexers |
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select (p.Name, p.GetValue(obj, null)); |
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public static IEnumerable<(string name, object value)> GetFieldValues<T>(T obj, BindingFlags flags) => |
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typeof(T).GetFields(flags).Select(f => (f.Name, f.GetValue(obj))); |
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class TestClass |
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{ |
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private int privateField = 7; |
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public int PublicNumber { get; } = 4; |
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private int PrivateNumber { get; } = 2; |
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} |
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}</lang> |
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{{out}} |
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<pre> |
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(PublicNumber, 4) |
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(PrivateNumber, 2) |
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(privateField, 7) |
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(<PublicNumber>k__BackingField, 4) |
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(<PrivateNumber>k__BackingField, 2) |
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</pre> |
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=={{header|Elena}}== |
=={{header|Elena}}== |
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