region bVk參數 常量定義

    public const byte vbKeyLButton = 0x1;    // 鼠標左鍵
    public const byte vbKeyRButton = 0x2;    // 鼠標右鍵
    public const byte vbKeyCancel = 0x3;     // CANCEL 鍵
    public const byte vbKeyMButton = 0x4;    // 鼠標中鍵
    public const byte vbKeyBack = 0x8;       // BACKSPACE 鍵
    public const byte vbKeyTab = 0x9;        // TAB 鍵
    public const byte vbKeyClear = 0xC;      // CLEAR 鍵
    public const byte vbKeyReturn = 0xD;     // ENTER 鍵
    public const byte vbKeyShift = 0x10;     // SHIFT 鍵
    public const byte vbKeyControl = 0x11;   // CTRL 鍵
    public const byte vbKeyAlt = 18;         // Alt 鍵  (鍵碼18)
    public const byte vbKeyMenu = 0x12;      // MENU 鍵
    public const byte vbKeyPause = 0x13;     // PAUSE 鍵
    public const byte vbKeyCapital = 0x14;   // CAPS LOCK 鍵
    public const byte vbKeyEscape = 0x1B;    // ESC 鍵
    public const byte vbKeySpace = 0x20;     // SPACEBAR 鍵
    public const byte vbKeyPageUp = 0x21;    // PAGE UP 鍵
    public const byte vbKeyEnd = 0x23;       // End 鍵
    public const byte vbKeyHome = 0x24;      // HOME 鍵
    public const byte vbKeyLeft = 0x25;      // LEFT ARROW 鍵
    public const byte vbKeyUp = 0x26;        // UP ARROW 鍵
    public const byte vbKeyRight = 0x27;     // RIGHT ARROW 鍵
    public const byte vbKeyDown = 0x28;      // DOWN ARROW 鍵
    public const byte vbKeySelect = 0x29;    // Select 鍵
    public const byte vbKeyPrint = 0x2A;     // PRINT SCREEN 鍵
    public const byte vbKeyExecute = 0x2B;   // EXECUTE 鍵
    public const byte vbKeySnapshot = 0x2C;  // SNAPSHOT 鍵
    public const byte vbKeyDelete = 0x2E;    // Delete 鍵
    public const byte vbKeyHelp = 0x2F;      // HELP 鍵
    public const byte vbKeyNumlock = 0x90;   // NUM LOCK 鍵

    //常用鍵 字母鍵A到Z
    public const byte vbKeyA = 65;
    public const byte vbKeyB = 66;
    public const byte vbKeyC = 67;
    public const byte vbKeyD = 68;
    public const byte vbKeyE = 69;
    public const byte vbKeyF = 70;
    public const byte vbKeyG = 71;
    public const byte vbKeyH = 72;
    public const byte vbKeyI = 73;
    public const byte vbKeyJ = 74; 
    public const byte vbKeyK = 75;
    public const byte vbKeyL = 76;
    public const byte vbKeyM = 77;
    public const byte vbKeyN = 78;
    public const byte vbKeyO = 79 ;
    public const byte vbKeyP = 80 ;
    public const byte vbKeyQ = 81 ;
    public const byte vbKeyR = 82 ;
    public const byte vbKeyS = 83 ;
    public const byte vbKeyT = 84 ;
    public const byte vbKeyU = 85 ;
    public const byte vbKeyV = 86 ;
    public const byte vbKeyW = 87 ;
    public const byte vbKeyX = 88 ;
    public const byte vbKeyY = 89 ;
    public const byte vbKeyZ = 90 ;

    //數字鍵盤0到9
    public const byte vbKey0 = 48 ;    // 0 鍵
    public const byte vbKey1 = 49 ;    // 1 鍵
    public const byte vbKey2 = 50 ;    // 2 鍵
    public const byte vbKey3 = 51 ;    // 3 鍵
    public const byte vbKey4 = 52 ;    // 4 鍵
    public const byte vbKey5 = 53 ;    // 5 鍵
    public const byte vbKey6 = 54 ;    // 6 鍵
    public const byte vbKey7 = 55 ;    // 7 鍵
    public const byte vbKey8 = 56 ;    // 8 鍵
    public const byte vbKey9 = 57 ;    // 9 鍵


    public const byte vbKeyNumpad0 = 0x60 ;    //0 鍵
    public const byte vbKeyNumpad1 = 0x61 ;    //1 鍵
    public const byte vbKeyNumpad2 = 0x62 ;    //2 鍵
    public const byte vbKeyNumpad3 = 0x63 ;    //3 鍵
    public const byte vbKeyNumpad4 = 0x64 ;    //4 鍵
    public const byte vbKeyNumpad5 = 0x65 ;    //5 鍵
    public const byte vbKeyNumpad6 = 0x66 ;    //6 鍵
    public const byte vbKeyNumpad7 = 0x67 ;    //7 鍵
    public const byte vbKeyNumpad8 = 0x68 ;    //8 鍵
    public const byte vbKeyNumpad9 = 0x69 ;    //9 鍵
    public const byte vbKeyMultiply = 0x6A ;   // MULTIPLICATIONSIGN(*)鍵
    public const byte vbKeyAdd = 0x6B ;        // PLUS SIGN(+) 鍵
    public const byte vbKeySeparator = 0x6C ;  // ENTER 鍵
    public const byte vbKeySubtract = 0x6D ;   // MINUS SIGN(-) 鍵
    public const byte vbKeyDecimal = 0x6E ;    // DECIMAL POINT(.) 鍵
    public const byte vbKeyDivide = 0x6F ;     // DIVISION SIGN(/) 鍵


    //F1到F12按鍵
    public const byte vbKeyF1 = 0x70 ;   //F1 鍵
    public const byte vbKeyF2 = 0x71 ;   //F2 鍵
    public const byte vbKeyF3 = 0x72 ;   //F3 鍵
    public const byte vbKeyF4 = 0x73 ;   //F4 鍵
    public const byte vbKeyF5 = 0x74 ;   //F5 鍵
    public const byte vbKeyF6 = 0x75 ;   //F6 鍵
    public const byte vbKeyF7 = 0x76 ;   //F7 鍵
    public const byte vbKeyF8 = 0x77 ;   //F8 鍵
    public const byte vbKeyF9 = 0x78 ;   //F9 鍵
    public const byte vbKeyF10 = 0x79 ;  //F10 鍵
    public const byte vbKeyF11 = 0x7A ;  //F11 鍵
    public const byte vbKeyF12 = 0x7B ;  //F12 鍵

    #endregion

    #region 引用win32api方法

    /// <summary>
    /// 導入模擬鍵盤的方法
    /// </summary>
    /// <param name="bVk" >按鍵的虛擬鍵值</param>
    /// <param name= "bScan" >掃描碼，一般不用設置，用0代替就行</param>
    /// <param name= "dwFlags" >選項標志：0：表示按下，2：表示松開</param>
    /// <param name= "dwExtraInfo">一般設置為0</param>
    [DllImport("user32.dll")]
    public static extern void keybd_event(byte bVk, byte bScan, int dwFlags, int dwExtraInfo);

    #endregion