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我最近不得不将这个怪物检入生产代码来操作WPF类中的私有字段:( tl; dr我如何避免这样做？)

private static class MemoryPressurePatcher
{
    private static Timer gcResetTimer;
    private static Stopwatch collectionTimer;
    private static Stopwatch allocationTimer;
    private static object lockObject;

    public static void Patch()
    {
        Type memoryPressureType = typeof(Duration).Assembly.GetType("MS.Internal.MemoryPressure");
        if (memoryPressureType != null)
        {
            collectionTimer = memoryPressureType.GetField("_collectionTimer", BindingFlags.Static | BindingFlags.NonPublic)?.GetValue(null) as Stopwatch;
            allocationTimer = memoryPressureType.GetField("_allocationTimer", BindingFlags.Static | BindingFlags.NonPublic)?.GetValue(null) as Stopwatch;
            lockObject = memoryPressureType.GetField("lockObj", BindingFlags.Static | BindingFlags.NonPublic)?.GetValue(null);

            if (collectionTimer != null && allocationTimer != null && lockObject != null)
            {
                gcResetTimer = new Timer(ResetTimer);
                gcResetTimer.Change(TimeSpan.Zero, …