ArcGIS Engine代码共享-颜色（Color）对象函数

 public class ColorHelper    {        // Fields        private static Random m_random = new Random();        // Methods        public static Color CreateColor(IColor esriColor)        {            Color black = Color.Black;            if (esriColor != null)            {                if (esriColor is IRgbColor)                {                    IRgbColor color2 = esriColor as IRgbColor;                    black = Color.FromArgb(color2.Red, color2.Green, color2.Blue);                }                else                {                    int red = esriColor.RGB % 0x100;                    int green = (esriColor.RGB / 0x100) % 0x100;                    int blue = ((esriColor.RGB / 0x100) / 0x100) % 0x100;                    black = Color.FromArgb(red, green, blue);                }            }            return black;        }        public static IColor CreateColor(Color msColor)        {            return CreateColor(msColor.R, msColor.G, msColor.B);        }        public static IColor CreateColor(int red, int green, int blue)        {            RgbColorClass class2 = new RgbColorClass();            class2.Red = red;            class2.Green = green;            class2.Blue = blue;            return class2;        }        public static IColor CreateColor(byte alpha, int red, int green, int blue)        {            RgbColorClass class2 = new RgbColorClass();            class2.Red = red;            class2.Green = green;            class2.Blue = blue;            class2.Transparency = alpha;            return class2;        }        public static IColor CreateRandomColor()        {            return CreateRandomColor(100);        }        public static IColor CreateRandomColor(byte alpha)        {            int red = m_random.Next(0xff);            int green = m_random.Next(0xff);            int blue = m_random.Next(0xff);            return CreateColor(alpha, red, green, blue);        }        public static List<IColor> CreateRandomColorList(int pCount)        {            List<Color> list = new List<Color>();            List<IColor> list2 = new List<IColor>();            while (list.Count < pCount)            {                Color item = CreateRandomMSColor();                if (!list.Contains(item))                {                    list.Add(item);                }            }            foreach (Color color2 in list)            {                list2.Add(CreateColor(color2));            }            return list2;        }        public static Color CreateRandomMSColor()        {            int red = m_random.Next(0xff);            int green = m_random.Next(0xff);            int blue = m_random.Next(0xff);            return Color.FromArgb(red, green, blue);        }    }