TrakHound_Dashboard.Pages.Dashboard.OeeStatus.Controls.Row.NotEqualTo C# (CSharp) Method

        static bool NotEqualTo(Row r1, Row r2)
        {
            if (!object.ReferenceEquals(r1, null) && object.ReferenceEquals(r2, null)) return true;
            if (object.ReferenceEquals(r1, null) && !object.ReferenceEquals(r2, null)) return true;
            if (object.ReferenceEquals(r1, null) && object.ReferenceEquals(r2, null)) return false;

            bool uniqueId = r1.Device.UniqueId != r2.Device.UniqueId;

            if (r1 != null && r2 != null && r1.Device.Description != null & r2.Device.Description != null)
            {
                var type = r1.ComparisonType;
                switch (type)
                {
                    case DeviceComparisonTypes.CONTROLLER: return uniqueId || r1.Device.Description.Controller != r2.Device.Description.Controller;
                    case DeviceComparisonTypes.DESCRIPTION: return uniqueId || r1.Device.Description.Description != r2.Device.Description.Description;
                    case DeviceComparisonTypes.DEVICE_ID: return uniqueId || r1.Device.Description.DeviceId != r2.Device.Description.DeviceId;
                    case DeviceComparisonTypes.LOCATION: return uniqueId || r1.Device.Description.Location != r2.Device.Description.Location;
                    case DeviceComparisonTypes.MANUFACTURER: return uniqueId || r1.Device.Description.Manufacturer != r2.Device.Description.Manufacturer;
                }
            }

            return uniqueId && r1.Index == r2.Index;
        }