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[转载]整理分享C#通过user32.dll模拟物理按键操作的代码 – 斯克迪亚 – 博客园.
对系统模拟按键方面的知识和按键映射代码做了一下梳理，在这里分享出来，适用于开发自动操作工具和游戏外挂。
主代码：
public const int KEYEVENTF_EXTENDEDKEY = 0x0001; //Key click flag
public const int KEYEVENTF_KEYUP = 0x0002; //Key up flag
[DllImport("user32.dll")]
private static extern void keybd_event(byte bVk, byte bSCan, int dwFlags, int dwExtraInfo);
[DllImport("user32.dll")]
private static extern byte MapVirtualKey(byte wCode, int wMap);
public static void 模拟按下按键(VirtualKeyCode 虚拟按键代码)
{
var code = (byte)虚拟按键代码;
keybd_event(code, 0, 0, 0);
}
public static void 模拟弹起按键(VirtualKeyCode 虚拟按键代码)
{
var code = (byte) 虚拟按键代码;
keybd_event(code, 0, KEYEVENTF_KEYUP, 0);
}
public static void 模拟单击按键(VirtualKeyCode 虚拟按键代码)
{
var code = (byte)虚拟按键代码;
keybd_event(code, 0, KEYEVENTF_EXTENDEDKEY, 0);
}
网上关于keybd_event的dwFlags参数功能说法很混乱，经我测试貌似是KEYEVENTF_EXTENDEDKEY表示一次单击，0表示按下，KEYEVENTF_KEYUP表示弹起，不一定完全正确，希望高人指点一下。
另外MapVirtualKey的作用实在不懂，所以就没用上，看到有人这么调用不知有什么区别：
var code = (byte)虚拟按键代码;
keybd_event(code, MapVirtualKey(code,0), 0, 0);
我试过好像也没什么变化~到底MapVirtualKey是干什么用的呢？？
VirtualKeyCode枚举：
/// <summary>
/// 虚拟按键代码
/// 参考于 http://msdn.microsoft.com/zh-cn/library/dd375731(v=vs.85).aspx
/// </summary>
public enum VirtualKeyCode
{
/// <summary>
/// Left mouse button
/// </summary>
Left_mouse_button = 0x01,
/// <summary>
/// Right mouse button
/// </summary>
Right_mouse_button = 0x02,
/// <summary>
/// Control-break processing
/// </summary>
Control_break_processing = 0x03,
/// <summary>
/// Middle mouse button (three-button mouse)
/// </summary>
Middle_mouse_button = 0x04,
/// <summary>
/// X1 mouse button
/// </summary>
X1_mouse_button = 0x05,
/// <summary>
/// X2 mouse button
/// </summary>
X2_mouse_button = 0x06,
/// <summary>
/// Undefined
/// </summary>
Undefined1 = 0x07,
/// <summary>
/// BACKSPACE key
/// </summary>
BACKSPACE_key = 0x08,
/// <summary>
/// TAB key
/// </summary>
TAB_key = 0x09,
/// <summary>
/// CLEAR key
/// </summary>
CLEAR_key = 0x0C,
/// <summary>
/// ENTER key
/// </summary>
ENTER_key = 0x0D,
/// <summary>
/// SHIFT key
/// </summary>
SHIFT_key = 0x10,
/// <summary>
/// CTRL key
/// </summary>
CTRL_key = 0x11,
/// <summary>
/// ALT key
/// </summary>
ALT_key = 0x12,
/// <summary>
/// PAUSE key
/// </summary>
PAUSE_key = 0x13,
/// <summary>
/// CAPS LOCK key
/// </summary>
CAPS_LOCK_key = 0x14,
/// <summary>
/// IME Kana mode
/// </summary>
IME_Kana_mode = 0x15,
/// <summary>
/// IME Hanguel mode (maintained for compatibility; use VK_HANGUL)
/// </summary>
IME_Hanguel_mode = 0x15,
/// <summary>
/// IME Hangul mode
/// </summary>
IME_Hangul_mode = 0x15,
/// <summary>
/// Undefined
/// </summary>
Undefined2 = 0x16,
/// <summary>
/// IME Junja mode
/// </summary>
IME_Junja_mode = 0x17,
/// <summary>
/// IME final mode
/// </summary>
IME_final_mode = 0x18,
/// <summary>
/// IME Hanja mode
/// </summary>
IME_Hanja_mode = 0x19,
/// <summary>
/// IME Kanji mode
/// </summary>
IME_Kanji_mode = 0x19,
/// <summary>
/// Undefined
/// </summary>
Undefined = 0x1A,
/// <summary>
/// ESC key
/// </summary>
ESC_key = 0x1B,
/// <summary>
/// IME convert
/// </summary>
IME_convert = 0x1C,
/// <summary>
/// IME nonconvert
/// </summary>
IME_nonconvert = 0x1D,
/// <summary>
/// IME accept
/// </summary>
IME_accept = 0x1E,
/// <summary>
/// IME mode change request
/// </summary>
IME_mode_change_request = 0x1F,
/// <summary>
/// SPACEBAR
/// </summary>
SPACEBAR = 0x20,
/// <summary>
/// PAGE UP key
/// </summary>
PAGE_UP_key = 0x21,
/// <summary>
/// PAGE DOWN key
/// </summary>
PAGE_DOWN_key = 0x22,
/// <summary>
/// END key
/// </summary>
END_key = 0x23,
/// <summary>
/// HOME key
/// </summary>
HOME_key = 0x24,
/// <summary>
/// LEFT ARROW key
/// </summary>
LEFT_ARROW_key = 0x25,
/// <summary>
/// UP ARROW key
/// </summary>
UP_ARROW_key = 0x26,
/// <summary>
/// RIGHT ARROW key
/// </summary>
RIGHT_ARROW_key = 0x27,
/// <summary>
/// DOWN ARROW key
/// </summary>
DOWN_ARROW_key = 0x28,
/// <summary>
/// SELECT key
/// </summary>
SELECT_key = 0x29,
/// <summary>
/// PRINT key
/// </summary>
PRINT_key = 0x2A,
/// <summary>
/// EXECUTE key
/// </summary>
EXECUTE_key = 0x2B,
/// <summary>
/// PRINT SCREEN key
/// </summary>
PRINT_SCREEN_key = 0x2C,
/// <summary>
/// INS key
/// </summary>
INS_key = 0x2D,
/// <summary>
/// DEL key
/// </summary>
DEL_key = 0x2E,
/// <summary>
/// HELP key
/// </summary>
HELP_key = 0x2F,
/// <summary>
/// 0 key
/// </summary>
_0_key = 0x30,
/// <summary>
/// 1 key
/// </summary>
_1_key = 0x31,
/// <summary>
/// 2 key
/// </summary>
_2_key = 0x32,
/// <summary>
/// 3 key
/// </summary>
_3_key = 0x33,
/// <summary>
/// 4 key
/// </summary>
_4_key = 0x34,
/// <summary>
/// 5 key
/// </summary>
_5_key = 0x35,
/// <summary>
/// 6 key
/// </summary>
_6_key = 0x36,
/// <summary>
/// 7 key
/// </summary>
_7_key = 0x37,
/// <summary>
/// 8 key
/// </summary>
_8_key = 0x38,
/// <summary>
/// 9 key
/// </summary>
_9_key = 0x39,
/// <summary>
/// A key
/// </summary>
A_key = 0x41,
/// <summary>
/// B key
/// </summary>
B_key = 0x42,
/// <summary>
/// C key
/// </summary>
C_key = 0x43,
/// <summary>
/// D key
/// </summary>
D_key = 0x44,
/// <summary>
/// E key
/// </summary>
E_key = 0x45,
/// <summary>
/// F key
/// </summary>
F_key = 0x46,
/// <summary>
/// G key
/// </summary>
G_key = 0x47,
/// <summary>
/// H key
/// </summary>
H_key = 0x48,
/// <summary>
/// I key
/// </summary>
I_key = 0x49,
/// <summary>
/// J key
/// </summary>
J_key = 0x4A,
/// <summary>
/// K key
/// </summary>
K_key = 0x4B,
/// <summary>
/// L key
/// </summary>
L_key = 0x4C,
/// <summary>
/// M key
/// </summary>
M_key = 0x4D,
/// <summary>
/// N key
/// </summary>
N_key = 0x4E,
/// <summary>
/// O key
/// </summary>
O_key = 0x4F,
/// <summary>
/// P key
/// </summary>
P_key = 0x50,
/// <summary>
/// Q key
/// </summary>
Q_key = 0x51,
/// <summary>
/// R key
/// </summary>
R_key = 0x52,
/// <summary>
/// S key
/// </summary>
S_key = 0x53,
/// <summary>
/// T key
/// </summary>
T_key = 0x54,
/// <summary>
/// U key
/// </summary>
U_key = 0x55,
/// <summary>
/// V key
/// </summary>
V_key = 0x56,
/// <summary>
/// W key
/// </summary>
W_key = 0x57,
/// <summary>
/// X key
/// </summary>
X_key = 0x58,
/// <summary>
/// Y key
/// </summary>
Y_key = 0x59,
/// <summary>
/// Z key
/// </summary>
Z_key = 0x5A,
/// <summary>
/// Left Windows key (Natural keyboard)
/// </summary>
Left_Windows_key = 0x5B,
/// <summary>
/// Right Windows key (Natural keyboard)
/// </summary>
Right_Windows_key = 0x5C,
/// <summary>
/// Applications key (Natural keyboard)
/// </summary>
Applications_key = 0x5D,
/// <summary>
/// Reserved
/// </summary>
Reserved1 = 0x5E,
/// <summary>
/// Computer Sleep key
/// </summary>
Computer_Sleep_key = 0x5F,
/// <summary>
/// Numeric keypad 0 key
/// </summary>
Numeric_keypad_0_key = 0x60,
/// <summary>
/// Numeric keypad 1 key
/// </summary>
Numeric_keypad_1_key = 0x61,
/// <summary>
/// Numeric keypad 2 key
/// </summary>
Numeric_keypad_2_key = 0x62,
/// <summary>
/// Numeric keypad 3 key
/// </summary>
Numeric_keypad_3_key = 0x63,
/// <summary>
/// Numeric keypad 4 key
/// </summary>
Numeric_keypad_4_key = 0x64,
/// <summary>
/// Numeric keypad 5 key
/// </summary>
Numeric_keypad_5_key = 0x65,
/// <summary>
/// Numeric keypad 6 key
/// </summary>
Numeric_keypad_6_key = 0x66,
/// <summary>
/// Numeric keypad 7 key
/// </summary>
Numeric_keypad_7_key = 0x67,
/// <summary>
/// Numeric keypad 8 key
/// </summary>
Numeric_keypad_8_key = 0x68,
/// <summary>
/// Numeric keypad 9 key
/// </summary>
Numeric_keypad_9_key = 0x69,
/// <summary>
/// Multiply key
/// </summary>
Multiply_key = 0x6A,
/// <summary>
/// Add key
/// </summary>
Add_key = 0x6B,
/// <summary>
/// Separator key
/// </summary>
Separator_key = 0x6C,
/// <summary>
/// Subtract key
/// </summary>
Subtract_key = 0x6D,
/// <summary>
/// Decimal key
/// </summary>
Decimal_key = 0x6E,
/// <summary>
/// Divide key
/// </summary>
Divide_key = 0x6F,
/// <summary>
/// F1 key
/// </summary>
F1_key = 0x70,
/// <summary>
/// F2 key
/// </summary>
F2_key = 0x71,
/// <summary>
/// F3 key
/// </summary>
F3_key = 0x72,
/// <summary>
/// F4 key
/// </summary>
F4_key = 0x73,
/// <summary>
/// F5 key
/// </summary>
F5_key = 0x74,
/// <summary>
/// F6 key
/// </summary>
F6_key = 0x75,
/// <summary>
/// F7 key
/// </summary>
F7_key = 0x76,
/// <summary>
/// F8 key
/// </summary>
F8_key = 0x77,
/// <summary>
/// F9 key
/// </summary>
F9_key = 0x78,
/// <summary>
/// F10 key
/// </summary>
F10_key = 0x79,
/// <summary>
/// F11 key
/// </summary>
F11_key = 0x7A,
/// <summary>
/// F12 key
/// </summary>
F12_key = 0x7B,
/// <summary>
/// F13 key
/// </summary>
F13_key = 0x7C,
/// <summary>
/// F14 key
/// </summary>
F14_key = 0x7D,
/// <summary>
/// F15 key
/// </summary>
F15_key = 0x7E,
/// <summary>
/// F16 key
/// </summary>
F16_key = 0x7F,
/// <summary>
/// F17 key
/// </summary>
F17_key = 0x80,
/// <summary>
/// F18 key
/// </summary>
F18_key = 0x81,
/// <summary>
/// F19 key
/// </summary>
F19_key = 0x82,
/// <summary>
/// F20 key
/// </summary>
F20_key = 0x83,
/// <summary>
/// F21 key
/// </summary>
F21_key = 0x84,
/// <summary>
/// F22 key
/// </summary>
F22_key = 0x85,
/// <summary>
/// F23 key
/// </summary>
F23_key = 0x86,
/// <summary>
/// F24 key
/// </summary>
F24_key = 0x87,
/// <summary>
/// NUM LOCK key
/// </summary>
NUM_LOCK_key = 0x90,
/// <summary>
/// SCROLL LOCK key
/// </summary>
SCROLL_LOCK_key = 0x91,
/// <summary>
/// Left SHIFT key
/// </summary>
Left_SHIFT_key = 0xA0,
/// <summary>
/// Right SHIFT key
/// </summary>
Right_SHIFT_key = 0xA1,
/// <summary>
/// Left CONTROL key
/// </summary>
Left_CONTROL_key = 0xA2,
/// <summary>
/// Right CONTROL key
/// </summary>
Right_CONTROL_key = 0xA3,
/// <summary>
/// Left MENU key
/// </summary>
Left_MENU_key = 0xA4,
/// <summary>
/// Right MENU key
/// </summary>
Right_MENU_key = 0xA5,
/// <summary>
/// Browser Back key
/// </summary>
Browser_Back_key = 0xA6,
/// <summary>
/// Browser Forward key
/// </summary>
Browser_Forward_key = 0xA7,
/// <summary>
/// Browser Refresh key
/// </summary>
Browser_Refresh_key = 0xA8,
/// <summary>
/// Browser Stop key
/// </summary>
Browser_Stop_key = 0xA9,
/// <summary>
/// Browser Search key
/// </summary>
Browser_Search_key = 0xAA,
/// <summary>
/// Browser Favorites key
/// </summary>
Browser_Favorites_key = 0xAB,
/// <summary>
/// Browser Start and Home key
/// </summary>
Browser_Start_and_Home_key = 0xAC,
/// <summary>
/// Volume Mute key
/// </summary>
Volume_Mute_key = 0xAD,
/// <summary>
/// Volume Down key
/// </summary>
Volume_Down_key = 0xAE,
/// <summary>
/// Volume Up key
/// </summary>
Volume_Up_key = 0xAF,
/// <summary>
/// Next Track key
/// </summary>
Next_Track_key = 0xB0,
/// <summary>
/// Previous Track key
/// </summary>
Previous_Track_key = 0xB1,
/// <summary>
/// Stop Media key
/// </summary>
Stop_Media_key = 0xB2,
/// <summary>
/// Play/Pause Media key
/// </summary>
Play_Or_Pause_Media_key = 0xB3,
/// <summary>
/// Start Mail key
/// </summary>
Start_Mail_key = 0xB4,
/// <summary>
/// Select Media key
/// </summary>
Select_Media_key = 0xB5,
/// <summary>
/// Start Application 1 key
/// </summary>
Start_Application_1_key = 0xB6,
/// <summary>
/// Start Application 2 key
/// </summary>
Start_Application_2_key = 0xB7,
/// <summary>
/// Used for miscellaneous characters; it can vary by keyboard.
/// </summary>
Used_for_miscellaneous_characters1 = 0xBA,
/// <summary>
/// Used for miscellaneous characters; it can vary by keyboard.
/// </summary>
Used_for_miscellaneous_characters2 = 0xBF,
/// <summary>
/// Used for miscellaneous characters; it can vary by keyboard.
/// </summary>
Used_for_miscellaneous_characters3 = 0xC0,
/// <summary>
/// Used for miscellaneous characters; it can vary by keyboard.
/// </summary>
Used_for_miscellaneous_characters4 = 0xDB,
/// <summary>
/// Used for miscellaneous characters; it can vary by keyboard.
/// </summary>
Used_for_miscellaneous_characters5 = 0xDC,
/// <summary>
/// Used for miscellaneous characters; it can vary by keyboard.
/// </summary>
Used_for_miscellaneous_characters6 = 0xDD,
/// <summary>
/// Used for miscellaneous characters; it can vary by keyboard.
/// </summary>
Used_for_miscellaneous_characters7 = 0xDE,
/// <summary>
/// Used for miscellaneous characters; it can vary by keyboard.
/// </summary>
Used_for_miscellaneous_characters8 = 0xDF,
/// <summary>
/// Reserved
/// </summary>
Reserved2 = 0xE0,
/// <summary>
/// OEM specific
/// </summary>
OEM_specific1 = 0xE1,
/// <summary>
/// Either the angle bracket key or the backslash key on the RT 102-key keyboard
/// </summary>
Either_the_angle_bracket_key_or_the_backslash_key_on_the_RT_102_key_keyboard = 0xE2,
/// <summary>
/// IME PROCESS key
/// </summary>
IME_PROCESS_key = 0xE5,
/// <summary>
/// OEM specific
/// </summary>
OEM_specific2 = 0xE6,
/// <summary>
/// Used to pass Unicode characters as if they were keystrokes. The VK_PACKET key is the low word of a 32-bit Virtual Key value used for non-keyboard input methods. For more information, see Remark in KEYBDINPUT, SendInput, WM_KEYDOWN, and WM_KEYUP
/// </summary>
Used_to_pass_Unicode_characters_as_if_they_were_keystrokes = 0xE7,
/// <summary>
/// Unassigned
/// </summary>
Unassigned = 0xE8,
/// <summary>
/// Attn key
/// </summary>
Attn_key = 0xF6,
/// <summary>
/// CrSel key
/// </summary>
CrSel_key = 0xF7,
/// <summary>
/// ExSel key
/// </summary>
ExSel_key = 0xF8,
/// <summary>
/// Erase EOF key
/// </summary>
Erase_EOF_key = 0xF9,
/// <summary>
/// Play key
/// </summary>
Play_key = 0xFA,
/// <summary>
/// Zoom key
/// </summary>
Zoom_key = 0xFB,
/// <summary>
/// Reserved
/// </summary>
Reserved = 0xFC,
/// <summary>
/// PA1 key
/// </summary>
PA1_key = 0xFD,
/// <summary>
/// Clear key
/// </summary>
Clear_key = 0xFE
}
调用演示：
//模拟实现Ctrl+O操作 模拟按下按键(VirtualKeyCode.CTRL_key) 模拟单击按键(VirtualKeyCode.O_key) 模拟弹起按键(VirtualKeyCode.CTRL_key)
尼玛这是要逆天啊！这么XX多！Shit!Oh My God!点了一个进去，资源发布在一个叫城通网盘的网站上。
