using DevExpress.XtraCharts;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CSFrameworkV5.Library.CommonClass
{
    public class ChartColorHelper
    {

        public static List<Color> GetPaleteColors(Palette palete, int maxColorCount = 0)
        {
            //获取调色板默认颜色
            List<Color> colors = new List<Color>();
            for (int i = 0; i <= palete.Count - 1; i++)
                colors.Add(palete[i].Color);

            if (maxColorCount > 0)
            {
                //C# 获取颜色集合（系统所有的颜色）
                List<String> sysColors = GetSystemAllColors();

                //随机组合添加更多的颜色
                while (colors.Count < maxColorCount)
                {
                    int idx = new Random().Next(0, sysColors.Count - 1);
                    System.Threading.Thread.Sleep(50);
                    colors.Add(Color.FromName(sysColors[idx]));
                }
            }

            return colors;
        }

        /// <summary>
        /// C# 获取颜色集合（系统所有的颜色）
        /// </summary>
        /// <returns></returns>
        public static List<String> GetSystemAllColors()
        {
            List<String> sysColors = new List<string>();
            Type ColorCollection = typeof(System.Drawing.KnownColor);
            foreach (string colorName in Enum.GetNames(ColorCollection))
            {
                sysColors.Add(colorName);
            }
            return sysColors;
        }

    }
}

var colors = new string[] { "Default", "Office 2013", "Marquee", "Pastel Kit", "Red Violet", "Solstice", "Concourse" };
cmbColors.Properties.Items.Clear();
foreach (var c in colors)
    cmbColors.Properties.Items.Add(c);

cmbColors.Text = "Marquee";

  //调色板
var paleteName = cmbColors.Text;
chartControl1.PaletteName = paleteName;
Palette palete = chartControl1.PaletteRepository[paleteName];