AgGateway.ADAPT.ISOv4Plugin.Writers.GuidancePatternWriter.ValidateAndGetPatternType C# (CSharp) Method

        private static string ValidateAndGetPatternType(GuidancePattern guidancePattern)
        {
            switch (guidancePattern.GuidancePatternType)
            {
                case GuidancePatternTypeEnum.AbLine:
                    {
                        var abLine = guidancePattern as AbLine;
                        if (abLine == null || abLine.A == null || abLine.B == null)
                            return null;
                    }
                    return "1";

                case GuidancePatternTypeEnum.APlus:
                    {
                        var aPlus = guidancePattern as APlus;
                        if (aPlus == null || aPlus.Point == null)
                            return null;
                        return "2";
                    }

                case GuidancePatternTypeEnum.AbCurve:
                    {
                        var abCurve = guidancePattern as AbCurve;
                        if (abCurve == null || abCurve.Shape == null || abCurve.Shape.Count < 1)
                            return null;
                        return "3";
                    }

                case GuidancePatternTypeEnum.CenterPivot:
                    {
                        var pivot = guidancePattern as CenterPivot;
                        if (pivot == null || pivot.Center == null)
                            return null;
                        return "4";
                    }

                case GuidancePatternTypeEnum.Spiral:
                    {
                        var spiral = guidancePattern as Spiral;
                        if (spiral == null || spiral.Shape == null)
                            return null;
                        return "5";
                    }
            }
            return null;
        }