MARKUS

                this.UserID = CircleCtrl.UserID;

                this.Memo = CircleCtrl.Memo;

                this.ZIndex = CircleCtrl.ZIndex;

            }

        }

                ctrl.Memo = this.Memo;

                ctrl.ZIndex = this.ZIndex;

                return "|DZ|" + JsonSerializerHelper.CompressString((ctrl.JsonSerialize()));

            };

                    StrokeColor = brush,

                    UserID = s.UserID,

                    Memo = s.Memo,

                };

            }

        }