aa/Shared/Models/AviDirectory.cs

using System.Text.Json;
using System.Text.Json.Serialization;

namespace View_by_Distance.Shared.Models;

public record AviDirectory(DateTime? DateTimeOriginal,
                           string? Duration,
                           string? Height,
                           string? Width)
{

    public override string ToString()
    {
        string result = JsonSerializer.Serialize(this, AviDirectorySourceGenerationContext.Default.AviDirectory);
        return result;
    }

}

[JsonSourceGenerationOptions(WriteIndented = true)]
[JsonSerializable(typeof(AviDirectory))]
public partial class AviDirectorySourceGenerationContext : JsonSerializerContext
{
}