.NET: ColorConsole class

A p/invoke wrapper for SetConsoleTextAttribute -- for writing colored text to the console.

using System;
using System.Runtime.InteropServices;

internal sealed class ColorConsole
{
    //
    // Interface

    [Flags] public enum ColorFlags:ushort 
    {
        ForegroundBlue=1,
        ForegroundGreen=2,
        ForegroundRed=4,
        ForegroundGray=7,
        ForegroundIntense=8,
        BackgroundBlue=16,
        BackgroundGreen=32,
        BackgroundRed=64,
        BackgroundIntense=128
    }

    public static void Write(ColorFlags colorFlags, string text, params object[] args)
    {
        if (args == null)
            args = new object[] { };

        TrySetConsoleColor(colorFlags);
        Console.Write(text,args);
        TrySetConsoleColor(ColorFlags.ForegroundGray);
    }

    public static void WriteLine(ColorFlags colorFlags, string text, params object[] args)
    {
        Write(colorFlags,text+Environment.NewLine,args);
    }

    //
    // Implementation

    private ColorConsole()
    { } //noncreatable

    private static void SetConsoleColor(ColorFlags colorFlags)
    {
        IntPtr hStdOut = Kernel32.GetStdHandle(Kernel32.StdOutputHandle);
        if (hStdOut == Kernel32.InvalidHandleValue)
            throw new System.ComponentModel.Win32Exception();

        if (!Kernel32.SetConsoleTextAttribute(hStdOut,colorFlags))
            throw new System.ComponentModel.Win32Exception();
    }

    private static void TrySetConsoleColor(ColorFlags colorFlags)
    {
        try
        {
            SetConsoleColor(colorFlags);
        }
        catch (System.ComponentModel.Win32Exception)
        { } //ok: calls will fail if stdout is redirected (eg: in VS output window)
    }

    [System.Security.SuppressUnmanagedCodeSecurity]
    private class Kernel32
    {
        [DllImport("Kernel32.dll", SetLastError=true)]
        internal static extern IntPtr GetStdHandle(int nStdHandle);

        [DllImport("Kernel32.dll", SetLastError=true)]
        internal static extern bool SetConsoleTextAttribute(IntPtr hConsoleOutput, ColorFlags wAttributes);

        internal const int StdOutputHandle = -11;
        internal static readonly IntPtr InvalidHandleValue = new IntPtr(-1);
    }
}