Tomboy.NoteRecentChanges.OnSelectionChanged C# (CSharp) Method

		void OnSelectionChanged (object sender, EventArgs args)
		{
			List<Note> selected_notes = GetSelectedNotes ();
			if (selected_notes == null || selected_notes.Count == 0) {
				Tomboy.ActionManager ["OpenNoteAction"].Sensitive = false;
				Tomboy.ActionManager ["DeleteNoteAction"].Sensitive = false;
			} else if (selected_notes.Count > 0) {
				Tomboy.ActionManager ["OpenNoteAction"].Sensitive = true;
				Tomboy.ActionManager ["DeleteNoteAction"].Sensitive = true;
			} else {
				// Many notes are selected
				Tomboy.ActionManager ["OpenNoteAction"].Sensitive = false;
				Tomboy.ActionManager ["DeleteNoteAction"].Sensitive = true;
			}
		}