public void RemoveWatermark(int selectedIndex)
{
if (ps.RemoveWatermark(selectedIndex))
{
// after current one is removed, focus on first item in the list
View.SelectedWatermarkIndex = 0;
View.LoadWatermarkControl(0);
}
else
{
// if there is nothing left, clear the entire area
View.ClearWatermarkArea();
}
}