System.Windows.DataTrigger.Seal C# (CSharp) Method

        internal sealed override void Seal()
        {
            if (IsSealed)
            {
                return;
            }

            // Process the _setters collection: Copy values into PropertyValueList and seal the Setter objects.
            ProcessSettersCollection(_setters);

            // Freeze the value for the trigger
            StyleHelper.SealIfSealable(_value);

            // Build conditions array from collection
            TriggerConditions = new TriggerCondition[] {
                new TriggerCondition(
                    _binding,
                    LogicalOp.Equals,
                    _value) };

            // Set Condition for all data triggers
            for (int i = 0; i < PropertyValues.Count; i++)
            {
                PropertyValue propertyValue = PropertyValues[i];

                propertyValue.Conditions = TriggerConditions;
                switch (propertyValue.ValueType)
                {
                    case PropertyValueType.Trigger:
                        propertyValue.ValueType = PropertyValueType.DataTrigger;
                        break;
                    case PropertyValueType.PropertyTriggerResource:
                        propertyValue.ValueType = PropertyValueType.DataTriggerResource;
                        break;
                    default:
                        throw new InvalidOperationException(SR.Get(SRID.UnexpectedValueTypeForDataTrigger, propertyValue.ValueType));
                }

                // Put back modified struct
                PropertyValues[i] = propertyValue;
            }

            base.Seal();
        }