C#控制台程序启动后最小化或者隐藏小黑板

最近在项目中用到的，实在没有兴趣去写成Windows Service方式，只能最简单的Console方式了！再在特定条件下启动后能够后台执行或者最小化到任务栏而不会挡在屏幕中央！基本思路是P/Invoke方式：

   
   
   
   

    
    
    
     1 
    
    
    
    using
    
    
    
     System;

    
    
    
     2 
    
    
    
     
    
    
    
    using
    
    
    
     System.Runtime.InteropServices;

    
    
    
     3 
    
    
    
    
    
    
    
    using
    
    
    
     System.Threading;

    
    
    
     4 
    
    
    
    

    
    
    
     5 
    
    
    
    

    
    
    
     6 
    
    
    
    
    
    
    
    class
    
    
    
     TestClass

    
    
    
     7 
    
    
    
    {

    
    
    
     8 
    
    
    
     
    
    
    
    static
    
    
    
     
    
    
    
    void
    
    
    
     Main(
    
    
    
    string
    
    
    
    [] args)

    
    
    
     9 
    
    
    
     {

    
    
    
    10 
    
    
    
     
    
    
    
    try
    
    
    
    

    
    
    
    11 
    
    
    
     {

    
    
    
    12 
    
    
    
     
    
    
    
    new
    
    
    
     TestClass();

    
    
    
    13 
    
    
    
     }

    
    
    
    14 
    
    
    
     
    
    
    
    catch
    
    
    
     (Exception)

    
    
    
    15 
    
    
    
     {

    
    
    
    16 
    
    
    
    

    
    
    
    17 
    
    
    
     
    
    
    
    throw
    
    
    
    ;

    
    
    
    18 
    
    
    
     } 

    
    
    
    19 
    
    
    
     }

    
    
    
    20 
    
    
    
    

    
    
    
    21 
    
    
    
    

    
    
    
    22 
    
    
    
     [DllImport(
    
    
    
    "
    
    
    
    User32.dll
    
    
    
    "
    
    
    
    , EntryPoint 
    
    
    
    =
    
    
    
     
    
    
    
    "
    
    
    
    FindWindow
    
    
    
    "
    
    
    
    )]

    
    
    
    23 
    
    
    
     
    
    
    
    private
    
    
    
     
    
    
    
    static
    
    
    
     
    
    
    
    extern
    
    
    
     IntPtr FindWindow(
    
    
    
    string
    
    
    
     lpClassName, 
    
    
    
    string
    
    
    
     lpWindowName);

    
    
    
    24 
    
    
    
    

    
    
    
    25 
    
    
    
     [DllImport(
    
    
    
    "
    
    
    
    user32.dll
    
    
    
    "
    
    
    
    , EntryPoint 
    
    
    
    =
    
    
    
     
    
    
    
    "
    
    
    
    FindWindowEx
    
    
    
    "
    
    
    
    )] 
    
    
    
    //
    
    
    
    找子窗体 
    
    
    
    

    
    
    
    26 
    
    
    
    
    
    
    
     
    
    
    
    private
    
    
    
     
    
    
    
    static
    
    
    
     
    
    
    
    extern
    
    
    
     IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, 
    
    
    
    string
    
    
    
     lpszClass, 
    
    
    
    string
    
    
    
     lpszWindow);

    
    
    
    27 
    
    
    
    

    
    
    
    28 
    
    
    
     [DllImport(
    
    
    
    "
    
    
    
    User32.dll
    
    
    
    "
    
    
    
    , EntryPoint 
    
    
    
    =
    
    
    
     
    
    
    
    "
    
    
    
    SendMessage
    
    
    
    "
    
    
    
    )] 
    
    
    
    //
    
    
    
    用于发送信息给窗体 
    
    
    
    

    
    
    
    29 
    
    
    
    
    
    
    
     
    
    
    
    private
    
    
    
     
    
    
    
    static
    
    
    
     
    
    
    
    extern
    
    
    
     
    
    
    
    int
    
    
    
     SendMessage(IntPtr hWnd, 
    
    
    
    int
    
    
    
     Msg, IntPtr wParam, 
    
    
    
    string
    
    
    
     lParam);

    
    
    
    30 
    
    
    
    

    
    
    
    31 
    
    
    
     [DllImport(
    
    
    
    "
    
    
    
    User32.dll
    
    
    
    "
    
    
    
    , EntryPoint 
    
    
    
    =
    
    
    
     
    
    
    
    "
    
    
    
    ShowWindow
    
    
    
    "
    
    
    
    )] 
    
    
    
    //

    
    
    
    32 
    
    
    
    
    
    
    
     
    
    
    
    private
    
    
    
     
    
    
    
    static
    
    
    
     
    
    
    
    extern
    
    
    
     
    
    
    
    bool
    
    
    
     ShowWindow(IntPtr hWnd, 
    
    
    
    int
    
    
    
     type);

    
    
    
    33 
    
    
    
    

    
    
    
    34 
    
    
    
     
    
    
    
    public
    
    
    
     TestClass()

    
    
    
    35 
    
    
    
     {

    
    
    
    36 
    
    
    
     Console.Title 
    
    
    
    =
    
    
    
     
    
    
    
    "
    
    
    
    MyConsoleApp
    
    
    
    "
    
    
    
    ;

    
    
    
    37 
    
    
    
     IntPtr ParenthWnd 
    
    
    
    =
    
    
    
     
    
    
    
    new
    
    
    
     IntPtr(
    
    
    
    0
    
    
    
    );

    
    
    
    38 
    
    
    
     IntPtr et 
    
    
    
    =
    
    
    
     
    
    
    
    new
    
    
    
     IntPtr(
    
    
    
    0
    
    
    
    );

    
    
    
    39 
    
    
    
     ParenthWnd 
    
    
    
    =
    
    
    
     FindWindow(
    
    
    
    null
    
    
    
    , 
    
    
    
    "
    
    
    
    MyConsoleApp
    
    
    
    "
    
    
    
    );

    
    
    
    40 
    
    
    
    

    
    
    
    41 
    
    
    
     ShowWindow(ParenthWnd, 
    
    
    
    2
    
    
    
    );
    
    
    
    //
    
    
    
    隐藏本dos窗体, 0: 后台执行；1:正常启动；2:最小化到任务栏；3:最大化

    
    
    
    42 
    
    
    
    

    
    
    
    43 
    
    
    
     
    
    
    
    //
    
    
    
    作自己的事情
    
    
    
    

    
    
    
    44 
    
    
    
    
    
    
    
     Thread.Sleep(
    
    
    
    3000
    
    
    
    );

    
    
    
    45 
    
    
    
    

    
    
    
    46 
    
    
    
     Console.Write(
    
    
    
    "
    
    
    
    Exit
    
    
    
    "
    
    
    
    );

    
    
    
    47 
    
    
    
    

    
    
    
    48 
    
    
    
     }

    
    
    
    49 
    
    
    
    }