public void NextImage()
{
if (this.imageUri == null)
{
if (this.description != null)
{
this.imageUriQueue = new Queue<Uri>(GetImageUriList(this.description));
}
}
if (this.imageUriQueue != null && this.imageUriQueue.Count > 0)
{
this.imageUri = this.imageUriQueue.Dequeue();
this.imageUriQueue.Enqueue(this.imageUri);
}
}