/// <summary>
 /// Sets the color of the layer.
 /// </summary>
 /// <param name="sym">The sym.</param>
 /// <param name="c">The c.</param>
 public static void SetLayerColor(this IBlockSymbol sym, Color c)
 {
     Check.NotNull(sym, "sym"); //NOXLATE
     sym.LayerColor = Utility.SerializeHTMLColor(c, true);
 }
 /// <summary>
 /// Sets the color of the block.
 /// </summary>
 /// <param name="sym">The sym.</param>
 /// <param name="c">The c.</param>
 public static void SetBlockColor(this IBlockSymbol sym, Color c)
 {
     Check.NotNull(sym, "sym");
     sym.BlockColor = Utility.SerializeHTMLColor(c, true);
 }