void photonav_ImageIsChanged(object sender, MyPhotoSlideshow.Classes.ImageIsChangedEventArgs e)
{
BigImage.Source = e.photoinfo.ImageSource;
}
void photonav_ImageIsChanged(object sender, ImageIsChangedEventArgs e)
{
PhotoInfo[] pis = { e.prevPhotoInfo, e.photoinfo, e.nextPhotoInfo };
AddImage(pis);
}
protected virtual void OnImageIsChanged(ImageIsChangedEventArgs e)
{
if (ImageIsChanged != null)
ImageIsChanged(this, e);
}