public void Undo()
{
MementoPost save = new MementoPost();
PostCaretaker savelist = new PostCaretaker();
save.RestoreMemento(savelist.Memento);
}
public Posts UpdatePost(Posts updatepost)
{
MementoPost save = new MementoPost();
PostCaretaker savelist = new PostCaretaker();
Posts post = postlist.FirstOrDefault(p => p.PostID == updatepost.pID);
if (post != null)
{
save.UserTitleName = post.titleN = updatepost.UserTitleName;
save.UserPost = post.postN = updatepost.UserPost;
save.UserComment = post.commentN = updatepost.UserComment;
}
else
{
postlist.Where(p => p.PostID == updatepost.pID);
Undo();
}
return(post);
}