Exemplo n.º 1
0
        /// <summary>
        /// Called when [series source changed].
        /// </summary>
        /// <param name="d">The d.</param>
        /// <param name="e">The <see cref="System.Windows.DependencyPropertyChangedEventArgs"/> instance containing the event data.</param>
        private static void OnSeriesSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            IEnumerable oldValue = (IEnumerable)e.OldValue;
            IEnumerable newValue = (IEnumerable)e.NewValue;
            DataChartEx source   = (DataChartEx)d;

            //TODO: Change over to using a Weak Event pattern
            INotifyCollectionChanged ncc;

            if (oldValue != null)
            {
                ncc = oldValue as INotifyCollectionChanged;

                if (ncc != null)
                {
                    ncc.CollectionChanged -= source.Series_CollectionChanged;
                }
            }

            if (newValue != null)
            {
                ncc = newValue as INotifyCollectionChanged;

                if (ncc != null)
                {
                    ncc.CollectionChanged += source.Series_CollectionChanged;
                }
            }

            source.OnSeriesSourceChanged(oldValue, newValue);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Called when [selected chart type changed].
        /// </summary>
        /// <param name="d">The d.</param>
        /// <param name="e">The <see cref="System.Windows.DependencyPropertyChangedEventArgs"/> instance containing the event data.</param>
        private static void OnSelectedChartTypeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            DataChartEx source = (DataChartEx)d;

            source.OnSeriesSourceChanged(null, source.SeriesSource);
        }