/// <summary>
 /// By default, objects are drawn using the display mode of the viewport that
 /// the object is being drawn in. Setting a specific display mode, instructs
 /// Rhino to always use that display mode, regardless of the viewport's mode.
 /// This version affects the object's display mode for all viewports.
 /// </summary>
 /// <param name="mode">The display mode.</param>
 /// <returns>true if setting was successful.</returns>
 public bool SetDisplayModeOverride(Display.DisplayModeDescription mode)
 {
     return(SetDisplayModeOverride(mode, Guid.Empty));
 }