Simple C# extension method to serialize an object to a dictionary

ObjectExtensions_ToDictionary.cs

using System.Collections.Generic;

public static class ObjectExtensions {

    public static IDictionary<string, string> ToDictionary(this object obj) =>
        ToDictionary<string>(obj);

    public static IDictionary<string, T> ToDictionary<T>(this object obj)
    {
        var properties = obj.GetType().GetProperties();
        var result = new Dictionary<string, T>(capacity: properties.Length);
        foreach (var property in properties) {
            result[property.Name] = (T)property.GetValue(obj);
        }
        return result;
    }
}