C#

[DllImport("kernel32.dll")]
public static extern bool SetConsoleCtrlHandler(ConsoleControlHandler e, bool add);

[DllImport("kernel32.dll")]
public static extern IntPtr GetStdHandle(int nStdHandle);

[DllImport("kernel32.dll")]
public static extern bool SetConsoleTextAttribute(IntPtr windowHandle, int attrib);

[DllImport("KERNEL32.DLL")]
internal static extern int GetConsoleScreenBufferInfo (IntPtr hConsoleOutput,
    ref CONSOLE_SCREEN_BUFFER_INFO lpConsoleScreenBufferInfo);

/// <summary>
/// Handler to be called when a console event occurs.
/// Should return true if no further processing of the event is required.
/// </summary>
public delegate bool ConsoleControlHandler(ConsoleControlEvent consoleEvent);
/// <summary>
/// The event that occurred.
/// </summary>
public enum ConsoleControlEvent {
    CtrlC=0,
    CtrlBreak=1,
    CtrlClose=2,
    CtrlLogoff=5,
    CtrlShutdown=6}
/// <summary>
/// Text colors.
/// </summary>
public enum TextColor {
    // copied from wincon.h, but not used (watch properties of a Console window):
    // #define FOREGROUND_BLUE      0x0001 // text color contains blue.
    // #define FOREGROUND_GREEN     0x0002 // text color contains green.
    // #define FOREGROUND_RED       0x0004 // text color contains red.
    // #define FOREGROUND_INTENSITY 0x0008 // text color is intensified.
    Black=0,
    DarkBlue=1,
    DarkGreen=2,    // = FOREGROUND_GREEN
    Brown=4,
    DarkMagenta=5,
    DarkYellow=6,
    Gray=7,
    Blue=9,         // = FOREGROUND_BLUE | FOREGROUND_INTENSITY
    Green=10,
    Cyan=11,
    Red=12,         // = FOREGROUND_RED | FOREGROUND_INTENSITY
    Magenta=13,
    Yellow=14,
    White=15,
    Unknown=16
}