/// <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
}
/// <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);
}