.NET中的高级控制台IO

时间:2008-10-13 22:47:54

标签: .net console

将数据写入屏幕上任意位置的文本控制台并使用自定义前/后颜色的最佳方法是什么?

4 个答案:

答案 0 :(得分:24)

Console.SetCursorPosition,Console.BackgroundColor,Console.ForegroundColor和Console.ResetColor。

请注意,这些已添加到版本2.0中的.NET Framework中。在此之前,你需要PInvoke。

答案 1 :(得分:6)

根据Mono Library List,至少有两个可能对您有用的库:

  
      
  • Curses#在Windows上使用PDCurses,在Linux上使用NCurses。它几乎是二进制级别的跨平台。

  •   
  • MonoCurses是一个MIT-X11许可的curses绑定,它包含用于创建基于控制台的应用程序的简约gui.cs GUI工具包。

  •   

答案 2 :(得分:4)

This posting显示了如何使用Console类方法在控制台上创建进度条 - 这可能是一个很好的例子来引用....

答案 3 :(得分:2)

最有效的功能是WriteConsoleOutput。它是本机win32 API,但可以在使用p / invoke的.NET应用程序中使用:

[DllImport("kernel32.dll", SetLastError = true, EntryPoint = "WriteConsoleOutputW")]
public static extern bool WriteConsoleOutput(IntPtr hConsoleOutput, CHAR_INFO[,] lpBuffer, COORD dwBufferSize,
                                                 COORD dwBufferCoord, ref SMALL_RECT lpWriteRegion);

CHAR_INFO是一个结构:

/// <summary>
/// CharSet.Unicode is required for proper marshaling.
/// </summary>
[StructLayout(LayoutKind.Explicit, CharSet = CharSet.Unicode)]
public struct CHAR_INFO
{
    [FieldOffset(0)]
    public char UnicodeChar;
    [FieldOffset(0)]
    public char AsciiChar;
    [FieldOffset(2)] //2 bytes seems to work properly
    public Attr Attributes;

    public override string ToString() {
        return string.Format("CHAR_INFO : '{0}' ({1})", AsciiChar, Attributes);
    }
}

Attr结构:

/// <summary>
/// CHAR_ATTRIBUTES native structure.
/// </summary>
[Flags]
public enum Attr : ushort {
    NO_ATTRIBUTES = 0x0000,
    /// <summary>
    /// Text color contains blue.
    /// </summary>
    FOREGROUND_BLUE = 0x0001,
    /// <summary>
    /// Text color contains green.
    /// </summary>
    FOREGROUND_GREEN = 0x0002,
    /// <summary>
    /// Text color contains red.
    /// </summary>
    FOREGROUND_RED = 0x0004,
    /// <summary>
    /// Text color is intensified.
    /// </summary>
    FOREGROUND_INTENSITY = 0x0008,
    /// <summary>
    /// Background color contains blue.
    /// </summary>
    BACKGROUND_BLUE = 0x0010,
    /// <summary>
    /// Background color contains green.
    /// </summary>
    BACKGROUND_GREEN = 0x0020,
    /// <summary>
    /// Background color contains red.
    /// </summary>
    BACKGROUND_RED = 0x0040,
    /// <summary>
    /// Background color is intensified.
    /// </summary>
    BACKGROUND_INTENSITY = 0x0080,
    /// <summary>
    /// Leading byte.
    /// </summary>
    COMMON_LVB_LEADING_BYTE = 0x0100,
    /// <summary>
    /// Trailing byte.
    /// </summary>
    COMMON_LVB_TRAILING_BYTE = 0x0200,
    /// <summary>
    /// Top horizontal
    /// </summary>
    COMMON_LVB_GRID_HORIZONTAL = 0x0400,
    /// <summary>
    /// Left vertical.
    /// </summary>
    COMMON_LVB_GRID_LVERTICAL = 0x0800,
    /// <summary>
    /// Right vertical.
    /// </summary>
    COMMON_LVB_GRID_RVERTICAL = 0x1000,
    /// <summary>
    /// Reverse foreground and background attribute.
    /// </summary>
    COMMON_LVB_REVERSE_VIDEO = 0x4000,
    /// <summary>
    /// Underscore.
    /// </summary>
    COMMON_LVB_UNDERSCORE = 0x8000
}

COORD和SMALL_RECT:

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

    public COORD(short X, short Y)
    {
        this.X = X;
        this.Y = Y;
    }
};

[StructLayout(LayoutKind.Sequential)]
public struct SMALL_RECT
{
    public short Left;
    public short Top;
    public short Right;
    public short Bottom;

    public SMALL_RECT(short left, short top, short right, short bottom) {
        Left = left;
        Top = top;
        Right = right;
        Bottom = bottom;
    }
}