/// ------------------------------------------------------------------------------------
/// <summary>
/// Get the index of the current book (relative to RootBox), or -1 if there is no
/// current book (e.g. no selection or empty view).
/// </summary>
/// <param name="selHelper">The selection helper.</param>
/// <param name="selLimitType">Which end of the selection</param>
/// <returns>
/// Index of the current book, or -1 if there is no current book.
/// </returns>
/// <remarks>The returned value is suitable for making a selection.</remarks>
/// ------------------------------------------------------------------------------------
public int GetBookIndex(SelectionHelper selHelper,
SelectionHelper.SelLimitType selLimitType)
{
return(m_locationTracker.GetBookIndex(selHelper, selLimitType));
}
