OTS/SpectrumSTDEditor/BaseClass/shareFunction.cs

using System;
using System.Drawing;

namespace SpectrumSTDEditor.BaseClass
{
    public static class shareFunction
    {
        public static string ObtainRandomColor()
        {
            int iSeed = 10;
            Random ro = new Random(10);
            long tick = DateTime.Now.Ticks;
            Random ran = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));

            int R = ran.Next(255);
            int G = ran.Next(255);
            int B = ran.Next(255);
            B = (R + G > 400) ? R + G - 400 : B;//0 : 380 - R - G;
            B = (B > 255) ? 255 : B;
            Color color=Color.FromArgb(R, G, B);
            return ColorTostring10(color);
        }

        public static Color string10ToColor(string lor)
        {
            int iColor = Convert.ToInt32(lor);
            return Color.FromArgb(iColor % 256, (iColor >> 8) % 256, (iColor >> 16) % 256);
        }
        public static string ColorTostring10(Color color)
        {
            return (((uint)color.B << 16) | (ushort)(((ushort)color.G << 8) | color.R)).ToString();
        }
    }
}