/**
  * <summary>
  *   Performs a smooth transition in the HSL color space between the current color and a target color.
  * <para>
  * </para>
  * <para>
  * </para>
  * </summary>
  * <param name="hsl_target">
  *   desired HSL color at the end of the transition
  * </param>
  * <param name="ms_duration">
  *   duration of the transition, in millisecond
  * </param>
  * <para>
  * </para>
  * <returns>
  *   <c>0</c> if the call succeeds.
  * </returns>
  * <para>
  *   On failure, throws an exception or returns a negative error code.
  * </para>
  */
 public int hslMove(int hsl_target, int ms_duration)
 {
     if (_func == null)
     {
         throw new YoctoApiProxyException("No ColorLed connected");
     }
     return(_func.hslMove(hsl_target, ms_duration));
 }