将一个小控制台窗口放在屏幕的左下角？

Question

正如标题所说,我想把它放在屏幕的左下角.这是我到目前为止的代码:

    Console.WindowWidth = 50
    Console.WindowHeight = 3
    Console.BufferWidth = 50
    Console.BufferHeight = 3
    Console.BackgroundColor = ConsoleColor.Black
    Console.ForegroundColor = ConsoleColor.DarkMagenta
    Console.Title = "My Title"
    Console.WriteLine("")
    Console.Write(" Press any key to close this window ...")

    Console.ReadKey()

Answer 1

注意:尽管他们的名字,设置Console.WindowLeft和Console.WindowTop该的System.Console类并不会改变窗口的屏幕上的位置.
相反,它们将窗口的可见部分相对于(可能更大的)窗口缓冲区定位 - 您不能使用类型System.Console来更改屏幕上控制台窗口的位置 - 您需要使用Windows API.

以下是完整控制台应用程序的代码,该应用程序将自己的窗口定位在屏幕的左下角,并遵循任务栏的位置.

注意:

• 它应该适用于多显示器设置 - 将窗口定位在(大部分)显示的特定显示器(显示器,屏幕)上 - 但我没有亲自验证它.

• 仅通过P/Invoke声明使用Windows API函数,从而无需引用WinForms程序集(System.Windows.Forms),这在控制台应用程序中通常不需要.

  • 您将看到代码的很大一部分专门用于P/Invoke签名(声明),以便与本机Windows API进行交互; 这些都是感谢改编自pinvoke.net

  • Main()通过比较,该方法中的实际代码很短.

• 如果从Visual Studio中的控制台应用程序项目编译以下代码并从cmd.exe控制台窗口(命令提示符)运行生成的可执行文件,则该控制台窗口应移至(包含屏幕)的左下角.

  • 要在从Visual Studio运行时验证功能,请在结束}时放置一个断点,并在执行暂停时,将Alt-Tab置于控制台窗口以验证其位置.

using System;
using System.Runtime.InteropServices; // To enable P/Invoke signatures.

public static class PositionConsoleWindowDemo
{

    // P/Invoke declarations.

    [DllImport("kernel32.dll")]
    static extern IntPtr GetConsoleWindow();

    [DllImport("user32.dll")]
    static extern IntPtr MonitorFromWindow(IntPtr hwnd, uint dwFlags);

    const int MONITOR_DEFAULTTOPRIMARY = 1;

    [DllImport("user32.dll")]
    static extern bool GetMonitorInfo(IntPtr hMonitor, ref MONITORINFO lpmi);

    [StructLayout(LayoutKind.Sequential)]
    struct MONITORINFO
    {
        public uint cbSize;
        public RECT rcMonitor;
        public RECT rcWork;
        public uint dwFlags;
        public static MONITORINFO Default
        {
            get { var inst= new MONITORINFO(); inst.cbSize = (uint)Marshal.SizeOf(inst); return inst; }
        }
    }

    [StructLayout(LayoutKind.Sequential)]
    struct RECT
    {
        public int Left, Top, Right, Bottom;
    }

    [StructLayout(LayoutKind.Sequential)]
    struct POINT
    {
        public int x, y;
    }

    [DllImport("user32.dll", SetLastError = true)]
    static extern bool GetWindowPlacement(IntPtr hWnd, ref WINDOWPLACEMENT lpwndpl);

    [DllImport("user32.dll", SetLastError = true)]
    static extern bool SetWindowPlacement(IntPtr hWnd, [In] ref WINDOWPLACEMENT lpwndpl);

    const uint SW_RESTORE= 9;

    [StructLayout(LayoutKind.Sequential)]
    struct WINDOWPLACEMENT
    {
        public uint Length;
        public uint Flags;
        public uint ShowCmd;
        public POINT MinPosition;
        public POINT MaxPosition;
        public RECT NormalPosition;
        public static WINDOWPLACEMENT Default
        {
            get
            {
                var instance = new WINDOWPLACEMENT();
                instance.Length = (uint) Marshal.SizeOf(instance);
                return instance;
            }
        }
    }

    public static void Main()
    {
        // Get this console window's hWnd (window handle).
        IntPtr hWnd = GetConsoleWindow();

        // Get information about the monitor (display) that the window is (mostly) displayed on.
        // The .rcWork field contains the monitor's work area, i.e., the usable space excluding
        // the taskbar (and "application desktop toolbars" - see https://msdn.microsoft.com/en-us/library/windows/desktop/ms724947(v=vs.85).aspx)
        var mi = MONITORINFO.Default;
        GetMonitorInfo(MonitorFromWindow(hWnd, MONITOR_DEFAULTTOPRIMARY), ref mi);

        // Get information about this window's current placement.
        var wp = WINDOWPLACEMENT.Default;
        GetWindowPlacement(hWnd, ref wp);

        // Calculate the window's new position: lower left corner.
        // !! Inexplicably, on W10, work-area coordinates (0,0) appear to be (7,7) pixels 
        // !! away from the true edge of the screen / taskbar.
        int fudgeOffset = 7;
        wp.NormalPosition = new RECT() {
            Left = -fudgeOffset,
            Top = mi.rcWork.Bottom - (wp.NormalPosition.Bottom - wp.NormalPosition.Top),
            Right = (wp.NormalPosition.Right - wp.NormalPosition.Left),
            Bottom = fudgeOffset + mi.rcWork.Bottom
        };

        // Place the window at the new position.
        SetWindowPlacement(hWnd, ref wp);

    }

}

Answer 2

您可以使用该类的Console.WindowTop和来设置控制台窗口的位置。Console.WindowWidthSystem.Console

这是MSDN上的一个例子

andBufferHeight属性BufferWidth获取/设置要显示的行数和列数。

WindowHeight和WindowWidth属性必须始终分别小于BufferHeight和BufferWidth。

WindowLeft必须小于BufferWidth - WindowWidth并且WindowTop必须小于BufferHeight - WindowHeight。

WindowLeft和WindowTop是相对于缓冲区的。

要移动实际的控制台窗口，本文有一个很好的示例。

我使用了您的一些代码和 CodeProject 示例中的代码。您可以在单个函数中设置窗口位置和大小。无需再次Console.WindowHeight设置Console.WindowWidth。这就是我的班级的样子：

class Program
{
    const int SWP_NOZORDER = 0x4;
    const int SWP_NOACTIVATE = 0x10;

    [DllImport("kernel32")]
    static extern IntPtr GetConsoleWindow();


    [DllImport("user32")]
    static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter,
        int x, int y, int cx, int cy, int flags);

    static void Main(string[] args)
    {
        Console.WindowWidth = 50;
        Console.WindowHeight = 3;
        Console.BufferWidth = 50;
        Console.BufferHeight = 3;
        Console.BackgroundColor = ConsoleColor.Black;
        Console.ForegroundColor = ConsoleColor.DarkMagenta;

        var screen = System.Windows.Forms.Screen.PrimaryScreen.Bounds;
        var width = screen.Width;
        var height = screen.Height;

        SetWindowPosition(100, height - 300, 500, 100);
        Console.Title = "My Title";
        Console.WriteLine("");
        Console.Write(" Press any key to close this window ...");

        Console.ReadKey();
    }


    /// <summary>
    /// Sets the console window location and size in pixels
    /// </summary>
    public static void SetWindowPosition(int x, int y, int width, int height)
    {
        SetWindowPos(Handle, IntPtr.Zero, x, y, width, height, SWP_NOZORDER | SWP_NOACTIVATE);
    }

    public static IntPtr Handle
    {
        get
        {
            //Initialize();
            return GetConsoleWindow();
        }
    }

}