我们曾经想过能够在我们的计算机上将窗口隐蔽起来，不想被从身边走过的老板看见。尝试便捷的Windows隐藏并定义热键来控制它们。下面我们将演示如何通过热键，我们将会用到DllImports of Win32 API、CallBacks/Delegates，定制事件与事件的句柄。

using System;
using System.Text;
using System.Collections;
using System.Runtime.InteropServices;

namespace WindowHider
{
    /// <summary>
    /// Object used to control a Windows Form.
    /// </summary>
    public class Window
    {
        /// <summary>
        /// Win32 API Imports
        /// </summary>
        [DllImport("user32.dll")] private static extern  
            bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
        [DllImport("user32.dll")] private static extern  
            bool SetForegroundWindow(IntPtr hWnd);
        [DllImport("user32.dll")] private static extern  
            bool IsIconic(IntPtr hWnd);
        [DllImport("user32.dll")] private static extern  
            bool IsZoomed(IntPtr hWnd);
        [DllImport("user32.dll")] private static extern  
            IntPtr GetForegroundWindow();
        [DllImport("user32.dll")] private static extern  
            IntPtr GetWindowThreadProcessId(IntPtr hWnd, IntPtr ProcessId);
        [DllImport("user32.dll")] private static extern  
            IntPtr AttachThreadInput(IntPtr idAttach, IntPtr idAttachTo, int fAttach);

        /// <summary>
        /// Win32 API Constants for ShowWindowAsync()
        /// </summary>
        private const int SW_HIDE = 0;
        private const int SW_SHOWNORMAL = 1;
        private const int SW_SHOWMINIMIZED = 2;
        private const int SW_SHOW