/// <summary>
        /// TargetSizeProperty property changed handler.
        /// </summary>
        /// <param name="d">ExpandableContentControl that changed its TargetSize.</param>
        /// <param name="e">Event arguments.</param>
        private static void OnTargetSizePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ExpandableContentControl source = (ExpandableContentControl)d;
            Size value = (Size)e.NewValue;

            // recalculate percentage based on this new targetsize.
            // for instance, percentage was at 1 and width was 100. Now width was changed to 200, this means
            // that the percentage needs to be set to 0.5 so that a reveal animation can be started again.

#if SILVERLIGHT
            source.RecalculatePercentage(value);
#else
            // We are essentially trying to re-evaluate the percentage property based on another property having changed,
            // which is exactly what the coerce functionality of dependency properties is for
            source.RecalculatePercentage(double.NaN);
#endif
        }
Ejemplo n.º 2
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        /// <summary>
        /// TargetSizeProperty property changed handler.
        /// </summary>
        /// <param name="d">ExpandableContentControl that changed its TargetSize.</param>
        /// <param name="e">Event arguments.</param>
        private static void OnTargetSizePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ExpandableContentControl source = (ExpandableContentControl)d;
            Size value = (Size)e.NewValue;

            // recalculate percentage based on this new targetsize.
            // for instance, percentage was at 1 and width was 100. Now width was changed to 200, this means
            // that the percentage needs to be set to 0.5 so that a reveal animation can be started again.

            source.RecalculatePercentage(value);
        }