C# (CSharp) Announcements.IndexOf Examples

Example #1

 public void previousItem()
 {
     if (Announcements.IndexOf(SelectedItem) > 0)
     {
         SelectedItem = Announcements.ElementAt(Announcements.IndexOf(SelectedItem) - 1);
     }
 }

Example #2

 public void nextItem()
 {
     if (Announcements.IndexOf(SelectedItem) < Announcements.Count - 1)
     {
         SelectedItem = Announcements.ElementAt(Announcements.IndexOf(SelectedItem) + 1);
     }
 }