private async void IC_Friend_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e) { if (relationship.relationship.Equals("F")) { bool isDelete = MessageBox.Show("친구를 삭제하시겠습니까?", "안내", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes; if (isDelete) { await KakaoRequestClass.DeleteFriend(relationship.id); await RefreshTimeline(null, true); } } else if (relationship.relationship.Equals("R")) { bool isRequest = MessageBox.Show("이 사용자에게 친구 신청을 보내시겠습니까?", "안내", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes; if (isRequest) { await KakaoRequestClass.FriendRequest(relationship.id, true); await RefreshTimeline(null, true); } } else if (relationship.relationship.Equals("C")) { var question = MessageBox.Show("친구 신청을 수락하시겠습니까?", "안내", MessageBoxButton.YesNo, MessageBoxImage.Question); if (question != MessageBoxResult.Cancel && question != MessageBoxResult.None) { bool isDelete = question == MessageBoxResult.No; await KakaoRequestClass.FriendAccept(relationship.id, isDelete); await RefreshTimeline(null, true); } } else if (relationship.relationship.Equals("N")) { await KakaoRequestClass.FriendRequest(relationship.id, false); await RefreshTimeline(null, true); } }