public string GetRandomColor()

{

Random RandomNum_First = new Random((int)DateTime.Now.Ticks);

//  对付C#的随机数，没什么好说的

System.Threading.Thread.Sleep(RandomNum_First.Next(50));

Random RandomNum_Sencond = new Random((int)DateTime.Now.Ticks);

//  为了在白色配景上显示，，尽量生成深色

int int_Red = RandomNum_First.Next(256);

int int_Green = RandomNum_Sencond.Next(256);

int int_Blue = (int_Red + int_Green > 400) ? 0 : 400 – int_Red – int_Green;

int_Blue = (int_Blue > 255) ? 255 : int_Blue;

return Color.FromArgb(int_Red, int_Green, int_Blue).Name;

}

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winform绑定快捷键的要领