Get the interfaces implemented by the object

TypeExtensions.cs

// A little bit faster then standard Type.GetInterfaces()
public static Type[] GetInterfaces(Type ObjectType)
{
    unsafe
    {
        void* methodTable = ObjectType.TypeHandle.Value.ToPointer();

        int count = ((ushort*)methodTable)[7];
        IntPtr* interfaces = (IntPtr*)((IntPtr*)methodTable)[9].ToPointer();

        Type[] result = new Type[count];

        for (int i = 0; i < count; ++interfaces, ++i)
            result[i] = GetTypeFromHandleUnsafe(*interfaces);

        return result;
    }
}
private static readonly Func<IntPtr, Type> GetTypeFromHandleUnsafe = (Func<IntPtr, Type>)typeof(Type).GetMethod("GetTypeFromHandleUnsafe", BindingFlags.Static | BindingFlags.NonPublic).CreateDelegate(typeof(Func<IntPtr, Type>), null);