// 한 번만 한다
static NativeThisPointer()
{
NativeThisPointer instance = new NativeThisPointer();
Type me = instance.GetType();
RuntimeMethodHandle handle = me.GetMethod(nameof(ReplacedTest), Helper.mflag1).MethodHandle;
RuntimeHelpers.PrepareMethod(handle);
Helper.ReplaceMethod(me.GetMethod(nameof(GetTest), Helper.mflag0), handle.GetFunctionPointer());
instance.GetTest(magic, magic);
}
private static void ReplacedTest(NativeThisPointer instance, IntPtr ptr, IntPtr t1, IntPtr t2) => hasThisPtr = t1 == t2 && t1 == magic;