using System;

using System.Globalization;

using System.ComponentModel;

​

public class Program

{

    public static void Main()

    {

        DateTime? result = Convert<DateTime?>("2024-02-02 16:20:00.0000000");

        Console.WriteLine(result);

    }

    /// <exception cref="InvalidCastException">Raise if <paramref name="instance"/> cannot be converted to <typeparamref name="T"/>.</exception>

    public static T? Convert<T>(object? instance)

    {

        if (instance == null)

        {

            return default;

        }

​

        if (instance is T t)

        {

            return t;

        }

​

        if (typeof(T).IsEnum)

        {

            return (T)Enum.Parse(typeof(T), instance.ToString());

        }

​

        if (typeof(T) == typeof(Uri))

        {

            Uri uriValue = new Uri(instance.ToString(), UriKind.RelativeOrAbsolute);

            return (T)System.Convert.ChangeType(uriValue, typeof(T), CultureInfo.CurrentCulture);

        }

​

        if (instance is IConvertible convertible)

        {

            Console.WriteLine("Issue is here");

            return (T)System.Convert.ChangeType(convertible, typeof(T), CultureInfo.CurrentCulture);

        }

​

        if (typeof(T).IsAssignableFrom(instance.GetType()))

        {

            return (T)instance;

        }

​

        TypeConverter converter = TypeDescriptor.GetConverter(instance);

​

        if (converter.CanConvertTo(typeof(T)))

        {           

            return (T)converter.ConvertTo(instance, typeof(T));

        }

​

        // Throw and invalid cast exception

​

        throw new InvalidCastException("Invalid cast to '{0}'.");

    }   

}