C# KnownColor类代码示例

 private Color(long value, short state, string name, KnownColor knownColor)
 {
     _value = value;
     _state = state;
     _name = name;
     _knownColor = (short)knownColor;
 }

 public static List<string> GetColorCodes()
 {
     KnownColor enumColor = new KnownColor();
     Array Colors = Enum.GetValues(enumColor.GetType());
     Color knownColor;
     string hexColor;
     List<string> colorCodes = null;
     try
     {
         colorCodes = new List<string>();
         foreach (object clr in Colors)
         {
             if (!Color.FromKnownColor((KnownColor)clr).IsSystemColor)
             {
                 knownColor = ColorTranslator.FromHtml(clr.ToString());
                 hexColor = String.Format("{0:X2}{1:X2}{2:X2}", knownColor.R, knownColor.G, knownColor.B);
                 colorCodes.Add(hexColor);
             }
         }
     }
     catch (Exception ex)
     {
         throw new Exception("Error in ColorCodeHelper.GetColorCodes:" + ex.Message);
     }
     return colorCodes;
 }

        public MainEngine()
        {
            uiContext = new UI.Context(6, 200, 100);

            Random random = new Random();
            System.Array colorsArray = Enum.GetValues(typeof(KnownColor));
            KnownColor[] allColors = new KnownColor[colorsArray.Length];

            Array.Copy(colorsArray, allColors, colorsArray.Length);

            int total = 2;
            for (int i = 0; i < total; ++i)
            {
                Color randomColor1 = Color.FromKnownColor(allColors[random.Next(0, allColors.Length)]);
                Color randomColor2 = Color.FromKnownColor(allColors[random.Next(0, allColors.Length)]);
                Color randomColor3 = Color.FromKnownColor(allColors[random.Next(0, allColors.Length)]);

                Brush pathBrush = new SolidBrush(randomColor1);
                Brush playerBrush = pathBrush;
                Brush startBrush = new SolidBrush(randomColor2);
                Brush goalBrush = new SolidBrush(randomColor3);
                players.Add(new Person(uiContext, pathBrush, playerBrush, startBrush, goalBrush));
            }

            //players.Add(new Person(uiContext, Brushes.CornflowerBlue, Brushes.CornflowerBlue, Brushes.LightBlue, Brushes.Blue));
            //players.Add(new Person(uiContext, Brushes.Red, Brushes.Red, Brushes.LightCoral, Brushes.DarkRed));
            //players.Add(new Person(uiContext, Brushes.Gold, Brushes.Gold, Brushes.Orange, Brushes.DarkOrange));
        }

 protected void Page_Load(object sender, EventArgs e)
 {
     if (!IsPostBack)
     {
         KnownColor enumColor = new KnownColor();
         Array Colors = Enum.GetValues(enumColor.GetType());
         ArrayList ALColor = new ArrayList();
         Color knownColor;
         string hexColor;
         ListItem item;
         try
         {
             foreach (object clr in Colors)
             {
                 if (!Color.FromKnownColor((KnownColor)clr).IsSystemColor)
                 {
                     knownColor = ColorTranslator.FromHtml(clr.ToString());
                     hexColor = String.Format("{0:X2}{1:X2}{2:X2}", knownColor.R, knownColor.G, knownColor.B);
                     item = new ListItem(clr.ToString(), hexColor);
                     item.Attributes.Add("style", "color:#" + hexColor);
                     drpLstColorCodes.Items.Add(item);
                     ALColor.Add(clr.ToString());
                 }
             }
         }
         catch (Exception ex)
         {
             throw ex;
         }
     }
 }

 /// <summary>
 /// Defines the number of characters available in a character-based screen.
 /// </summary>
 /// <param name="Width">Width of default screen, in tiles or characters.</param>
 /// <param name="Height">Height of default screen, in tiles or characters.</param>
 /// <param name="ForegroundColor">Foreground color of characters.</param>
 /// <param name="ForegroundColor">Background color of characters.</param>
 public CharactersAttribute(int Width, int Height, KnownColor ForegroundColor, KnownColor BackgroundColor)
 {
     this.width = AssertPositive(Width);
     this.height = AssertPositive(Height);
     this.foregroundColor = Color.FromKnownColor(ForegroundColor);
     this.backgroundColor = Color.FromKnownColor(BackgroundColor);
 }

		internal static Color FromArgbNamed (int alpha, int red, int green, int blue, string name, KnownColor knownColor)
		{
			Color color = FromArgb (alpha, red, green, blue);
			color.state = (short) (ColorType.Known|ColorType.Named);
			color.name = KnownColors.GetName (knownColor);
			color.knownColor = (short) knownColor;
			return color;
		}

 /// <summary>
 /// Defines the default border size of the screen. If used in conjunction with <see cref="AspectRatioAttribute"/>,
 /// these values defines the minimum border used. The attribute can also be used to define the border color.
 /// </summary>
 /// <param name="Left">Margin to the left of the screen.</param>
 /// <param name="Right">Margin to the right of the screen.</param>
 /// <param name="Top">Margon above the screen.</param>
 /// <param name="Bottom">Margon below the screen.</param>
 /// <param name="BorderColor">Border color.</param>
 public ScreenBorderAttribute(int Left, int Right, int Top, int Bottom, KnownColor BorderColor)
 {
     this.leftMargin = AssertNonNegative(Left);
     this.rightMargin = AssertNonNegative(Right);
     this.topMargin = AssertNonNegative(Top);
     this.bottomMargin = AssertNonNegative(Bottom);
     this.borderColor = Color.FromKnownColor(BorderColor);
 }

		public static int KnownColorToArgb(KnownColor color)
		{
			if (color == KnownColor.OrangeRed)
			{
				return -1286;
			}

			return 0;
		}

		public static string KnownColorToName(KnownColor color)
		{
			if (color == KnownColor.OrangeRed)
			{
				return "OrangeRed";
			}

			return null;
		}

		public VotingStone(int siteUID)
			: base(4963)
		{
			SiteUID = siteUID;
			UsageColor = KnownColor.SkyBlue;

			Name = "Voting Stone";
			LootType = LootType.Blessed;
			Weight = 0;
		}

 internal static Color FromArgbNamed(int alpha, int red, int green, int blue, string name, KnownColor knownColor)
 {
     Color color = new Color(alpha, red, green, blue);
     color.colorType = ColorType.Known | ColorType.Named;
     //color.issystemcolor = false; //???
     color.myname = name;
     // FIXME: here happens SEGFAULT.
     //color.knownColor = (KnownColor) Enum.Parse (typeof (KnownColor), name, false);
     color.knownColor = knownColor;
     return color;
 }

 public ColorClassification()
 {
     System.Array colorsArray = Enum.GetValues(typeof(KnownColor));
     KnownColor[] allColors = new KnownColor[colorsArray.Length];
     Array.Copy(colorsArray, allColors, colorsArray.Length);
     string[] colornames = new string[allColors.Length];
     for (int iColor = 0; iColor < allColors.Length; iColor++)
     {
         colornames[iColor] = allColors[iColor].ToString();
     }
 }

 void ResolveKnownColor(ref DrawingColor color, KnownColor start, KnownColor end, out DrawingColor? result)
 {
     for (KnownColor i = start; i <= end; i++)
     {
         var colorFromKnownColor = DrawingColor.FromKnownColor(i);
         if (color.ToArgb() == colorFromKnownColor.ToArgb())
         {
             result = colorFromKnownColor;
             return;
         }
     }
     result = null;
 }

 public CPerson(int _id, string _name, Sex _sex, string _description, bool _unremovable, string _comment,
                     List<int> _itemsList, List<int> _aimsList, KnownColor _clan, string _altName = "")
 {
     id = _id;
     name = _name;
     sex = _sex;
     description = _description;
     unremovable = _unremovable;
     comment = _comment;
     itemsId = _itemsList;
     aimsId = _aimsList;
     clan = _clan;
     altName = _altName;
 }

	// Get or create a system pen.
	private static Pen GetOrCreatePen(KnownColor color)
			{
				lock(typeof(SystemPens))
				{
					if(systemPens == null)
					{
						systemPens = new Pen
							[((int)(KnownColor.WindowText)) -
							 ((int)(KnownColor.ActiveBorder)) + 1];
					}
					int index = ((int)color) - ((int)(KnownColor.ActiveBorder));
					if(systemPens[index] == null)
					{
						systemPens[index] = new Pen(new Color(color));
					}
					return systemPens[index];
				}
			}