/// <summary> /// Change image of the following /// </summary> private void Next() { string valueSet = ""; if (SettingList.Random) { valueSet = PhotoList.Random(); } else { valueSet = PhotoList.Photo(); } var index = IListBox.Items.IndexOf(valueSet.GetLastPart()); if (index != -1) { IListBox.SelectedItem = IListBox.Items[index]; } Native.SetWindow(valueSet, SettingList.TypeImage); }