character background and foreground color in particular coordinates C# console application example

example.cs

using System.Runtime.InteropServices;

class Tester
{
    public static void GetColor(short y, short x, uint length = 1)
    {
        var colors = new ushort[1];
        uint numberOfCharactersRead;

        if (ReadConsoleOutputAttribute(GetStdHandle(-11), colors, length, new Coord(x, y), out numberOfCharactersRead))
        {
            Console.Title = "Colors in coordinates [" + x + "," + y +
                "] - Background: " + (ConsoleColor)(colors[0] / 16) +
                " Foreground: " + (ConsoleColor)(colors[0] % 16);
            Console.ReadKey();
        }
    }

    [DllImport("kernel32.dll", SetLastError = true)]
    static extern IntPtr GetStdHandle(int nStdHandle);

    [DllImport("kernel32.dll", SetLastError = true)]
    static extern bool ReadConsoleOutputAttribute(IntPtr hConsoleOutput, [Out] ushort[] lpAttribute, uint length, Coord bufferCoord, out uint lpNumberOfCharactersRead);

    [StructLayout(LayoutKind.Sequential)]
    public struct Coord
    {
        public short X;
        public short Y;

        public Coord(short x, short y)
        {
            X = x;
            Y = y;
        }
    }

    public static void Filler()
    {
        var r = new Random();
        for (int i = 0; i < 1000; i++)
        {
            Console.SetCursorPosition(r.Next(20), r.Next(10));
            Console.BackgroundColor = (ConsoleColor)r.Next(16);
            Console.ForegroundColor = (ConsoleColor)r.Next(16);
            Console.Write("@");
        }
    }

    public static void Main()
    {
        Filler();
        GetColor(0, 0);
    }
}