C# Remove all handlers from any event

Csharp_RemoveEvent.cs

private void RemoveEvent(object item, string eventStr = "DoubleClick")
{
    FieldInfo f1 = typeof(Control).GetField("Event"+ eventStr,
        BindingFlags.Static | BindingFlags.NonPublic);
    object obj = f1.GetValue(item);
    PropertyInfo pi = item.GetType().GetProperty("Events",
        BindingFlags.NonPublic | BindingFlags.Instance);
    EventHandlerList list = (EventHandlerList)pi.GetValue(item, null);
    list.RemoveHandler(obj, list[obj]);
}

USAGE

RemoveEvent(this, "DoubleClick");