Simulate keyboard input in C#
I need to know how to simulate keyboard input for keys W, S, A, D.
I\'ve used SendKeys with no avai
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I was looking for emulation of multimedia button presses and found that you need to use these parameters(in @Gareth code):
Input.U.ki.wVk = VirtualKeyShort.VOLUME_MUTE; Input.U.ki.dwFlags = KEYEVENTF.UNICODE;讨论(0) -
I like @Gareth's approach at it. However, in his method, you need to hard code your key strokes into the SendInputWithAPI() method. I made a few changes to the code; you now can call Send() and pass ScanCodeShort parameter to it. This allows you to pass any keystroke to it, any time, any place.
public class Keyboard { public void Send(ScanCodeShort a) { INPUT[] Inputs = new INPUT[1]; INPUT Input = new INPUT(); Input.type = 1; // 1 = Keyboard Input Input.U.ki.wScan = a; Input.U.ki.dwFlags = KEYEVENTF.SCANCODE; Inputs[0] = Input; SendInput(1, Inputs, INPUT.Size); } /// <summary> /// Declaration of external SendInput method /// </summary> [DllImport("user32.dll")] internal static extern uint SendInput( uint nInputs, [MarshalAs(UnmanagedType.LPArray), In] INPUT[] pInputs, int cbSize); // Declare the INPUT struct [StructLayout(LayoutKind.Sequential)] public struct INPUT { public uint type; public InputUnion U; public static int Size { get { return Marshal.SizeOf(typeof(INPUT)); } } } // Declare the InputUnion struct [StructLayout(LayoutKind.Explicit)] public struct InputUnion { [FieldOffset(0)] internal MOUSEINPUT mi; [FieldOffset(0)] internal KEYBDINPUT ki; [FieldOffset(0)] internal HARDWAREINPUT hi; } [StructLayout(LayoutKind.Sequential)] public struct MOUSEINPUT { internal int dx; internal int dy; internal MouseEventDataXButtons mouseData; internal MOUSEEVENTF dwFlags; internal uint time; internal UIntPtr dwExtraInfo; } [Flags] public enum MouseEventDataXButtons : uint { Nothing = 0x00000000, XBUTTON1 = 0x00000001, XBUTTON2 = 0x00000002 } [Flags] public enum MOUSEEVENTF : uint { ABSOLUTE = 0x8000, HWHEEL = 0x01000, MOVE = 0x0001, MOVE_NOCOALESCE = 0x2000, LEFTDOWN = 0x0002, LEFTUP = 0x0004, RIGHTDOWN = 0x0008, RIGHTUP = 0x0010, MIDDLEDOWN = 0x0020, MIDDLEUP = 0x0040, VIRTUALDESK = 0x4000, WHEEL = 0x0800, XDOWN = 0x0080, XUP = 0x0100 } [StructLayout(LayoutKind.Sequential)] public struct KEYBDINPUT { internal VirtualKeyShort wVk; internal ScanCodeShort wScan; internal KEYEVENTF dwFlags; internal int time; internal UIntPtr dwExtraInfo; } [Flags] public enum KEYEVENTF : uint { EXTENDEDKEY = 0x0001, KEYUP = 0x0002, SCANCODE = 0x0008, UNICODE = 0x0004 } public enum VirtualKeyShort : short { ///<summary> ///Left mouse button ///</summary> LBUTTON = 0x01, ///<summary> ///Right mouse button ///</summary> RBUTTON = 0x02, ///<summary> ///Control-break processing ///</summary> CANCEL = 0x03, ///<summary> ///Middle mouse button (three-button mouse) ///</summary> MBUTTON = 0x04, ///<summary> ///Windows 2000/XP: X1 mouse button ///</summary> XBUTTON1 = 0x05, ///<summary> ///Windows 2000/XP: X2 mouse button ///</summary> XBUTTON2 = 0x06, ///<summary> ///BACKSPACE key ///</summary> BACK = 0x08, ///<summary> ///TAB key ///</summary> TAB = 0x09, ///<summary> ///CLEAR key ///</summary> CLEAR = 0x0C, ///<summary> ///ENTER key ///</summary> RETURN = 0x0D, ///<summary> ///SHIFT key ///</summary> SHIFT = 0x10, ///<summary> ///CTRL key ///</summary> CONTROL = 0x11, ///<summary> ///ALT key ///</summary> MENU = 0x12, ///<summary> ///PAUSE key ///</summary> PAUSE = 0x13, ///<summary> ///CAPS LOCK key ///</summary> CAPITAL = 0x14, ///<summary> ///Input Method Editor (IME) Kana mode ///</summary> KANA = 0x15, ///<summary> ///IME Hangul mode ///</summary> HANGUL = 0x15, ///<summary> ///IME Junja mode ///</summary> JUNJA = 0x17, ///<summary> ///IME final mode ///</summary> FINAL = 0x18, ///<summary> ///IME Hanja mode ///</summary> HANJA = 0x19, ///<summary> ///IME Kanji mode ///</summary> KANJI = 0x19, ///<summary> ///ESC key ///</summary> ESCAPE = 0x1B, ///<summary> ///IME convert ///</summary> CONVERT = 0x1C, ///<summary> ///IME nonconvert ///</summary> NONCONVERT = 0x1D, ///<summary> ///IME accept ///</summary> ACCEPT = 0x1E, ///<summary> ///IME mode change request ///</summary> MODECHANGE = 0x1F, ///<summary> ///SPACEBAR ///</summary> SPACE = 0x20, ///<summary> ///PAGE UP key ///</summary> PRIOR = 0x21, ///<summary> ///PAGE DOWN key ///</summary> NEXT = 0x22, ///<summary> ///END key ///</summary> END = 0x23, ///<summary> ///HOME key ///</summary> HOME = 0x24, ///<summary> ///LEFT ARROW key ///</summary> LEFT = 0x25, ///<summary> ///UP ARROW key ///</summary> UP = 0x26, ///<summary> ///RIGHT ARROW key ///</summary> RIGHT = 0x27, ///<summary> ///DOWN ARROW key ///</summary> DOWN = 0x28, ///<summary> ///SELECT key ///</summary> SELECT = 0x29, ///<summary> ///PRINT key ///</summary> PRINT = 0x2A, ///<summary> ///EXECUTE key ///</summary> EXECUTE = 0x2B, ///<summary> ///PRINT SCREEN key ///</summary> SNAPSHOT = 0x2C, ///<summary> ///INS key ///</summary> INSERT = 0x2D, ///<summary> ///DEL key ///</summary> DELETE = 0x2E, ///<summary> ///HELP key ///</summary> HELP = 0x2F, ///<summary> ///0 key ///</summary> KEY_0 = 0x30, ///<summary> ///1 key ///</summary> KEY_1 = 0x31, ///<summary> ///2 key ///</summary> KEY_2 = 0x32, ///<summary> ///3 key ///</summary> KEY_3 = 0x33, ///<summary> ///4 key ///</summary> KEY_4 = 0x34, ///<summary> ///5 key ///</summary> KEY_5 = 0x35, ///<summary> ///6 key ///</summary> KEY_6 = 0x36, ///<summary> ///7 key ///</summary> KEY_7 = 0x37, ///<summary> ///8 key ///</summary> KEY_8 = 0x38, ///<summary> ///9 key ///</summary> KEY_9 = 0x39, ///<summary> ///A key ///</summary> KEY_A = 0x41, ///<summary> ///B key ///</summary> KEY_B = 0x42, ///<summary> ///C key ///</summary> KEY_C = 0x43, ///<summary> ///D key ///</summary> KEY_D = 0x44, ///<summary> ///E key ///</summary> KEY_E = 0x45, ///<summary> ///F key ///</summary> KEY_F = 0x46, ///<summary> ///G key ///</summary> KEY_G = 0x47, ///<summary> ///H key ///</summary> KEY_H = 0x48, ///<summary> ///I key ///</summary> KEY_I = 0x49, ///<summary> ///J key ///</summary> KEY_J = 0x4A, ///<summary> ///K key ///</summary> KEY_K = 0x4B, ///<summary> ///L key ///</summary> KEY_L = 0x4C, ///<summary> ///M key ///</summary> KEY_M = 0x4D, ///<summary> ///N key ///</summary> KEY_N = 0x4E, ///<summary> ///O key ///</summary> KEY_O = 0x4F, ///<summary> ///P key ///</summary> KEY_P = 0x50, ///<summary> ///Q key ///</summary> KEY_Q = 0x51, ///<summary> ///R key ///</summary> KEY_R = 0x52, ///<summary> ///S key ///</summary> KEY_S = 0x53, ///<summary> ///T key ///</summary> KEY_T = 0x54, ///<summary> ///U key ///</summary> KEY_U = 0x55, ///<summary> ///V key ///</summary> KEY_V = 0x56, ///<summary> ///W key ///</summary> KEY_W = 0x57, ///<summary> ///X key ///</summary> KEY_X = 0x58, ///<summary> ///Y key ///</summary> KEY_Y = 0x59, ///<summary> ///Z key ///</summary> KEY_Z = 0x5A, ///<summary> ///Left Windows key (Microsoft Natural keyboard) ///</summary> LWIN = 0x5B, ///<summary> ///Right Windows key (Natural keyboard) ///</summary> RWIN = 0x5C, ///<summary> ///Applications key (Natural keyboard) ///</summary> APPS = 0x5D, ///<summary> ///Computer Sleep key ///</summary> SLEEP = 0x5F, ///<summary> ///Numeric keypad 0 key ///</summary> NUMPAD0 = 0x60, ///<summary> ///Numeric keypad 1 key ///</summary> NUMPAD1 = 0x61, ///<summary> ///Numeric keypad 2 key ///</summary> NUMPAD2 = 0x62, ///<summary> ///Numeric keypad 3 key ///</summary> NUMPAD3 = 0x63, ///<summary> ///Numeric keypad 4 key ///</summary> NUMPAD4 = 0x64, ///<summary> ///Numeric keypad 5 key ///</summary> NUMPAD5 = 0x65, ///<summary> ///Numeric keypad 6 key ///</summary> NUMPAD6 = 0x66, ///<summary> ///Numeric keypad 7 key ///</summary> NUMPAD7 = 0x67, ///<summary> ///Numeric keypad 8 key ///</summary> NUMPAD8 = 0x68, ///<summary> ///Numeric keypad 9 key ///</summary> NUMPAD9 = 0x69, ///<summary> ///Multiply key ///</summary> MULTIPLY = 0x6A, ///<summary> ///Add key ///</summary> ADD = 0x6B, ///<summary> ///Separator key ///</summary> SEPARATOR = 0x6C, ///<summary> ///Subtract key ///</summary> SUBTRACT = 0x6D, ///<summary> ///Decimal key ///</summary> DECIMAL = 0x6E, ///<summary> ///Divide key ///</summary> DIVIDE = 0x6F, ///<summary> ///F1 key ///</summary> F1 = 0x70, ///<summary> ///F2 key ///</summary> F2 = 0x71, ///<summary> ///F3 key ///</summary> F3 = 0x72, ///<summary> ///F4 key ///</summary> F4 = 0x73, ///<summary> ///F5 key ///</summary> F5 = 0x74, ///<summary> ///F6 key ///</summary> F6 = 0x75, ///<summary> ///F7 key ///</summary> F7 = 0x76, ///<summary> ///F8 key ///</summary> F8 = 0x77, ///<summary> ///F9 key ///</summary> F9 = 0x78, ///<summary> ///F10 key ///</summary> F10 = 0x79, ///<summary> ///F11 key ///</summary> F11 = 0x7A, ///<summary> ///F12 key ///</summary> F12 = 0x7B, ///<summary> ///F13 key ///</summary> F13 = 0x7C, ///<summary> ///F14 key ///</summary> F14 = 0x7D, ///<summary> ///F15 key ///</summary> F15 = 0x7E, ///<summary> ///F16 key ///</summary> F16 = 0x7F, ///<summary> ///F17 key ///</summary> F17 = 0x80, ///<summary> ///F18 key ///</summary> F18 = 0x81, ///<summary> ///F19 key ///</summary> F19 = 0x82, ///<summary> ///F20 key ///</summary> F20 = 0x83, ///<summary> ///F21 key ///</summary> F21 = 0x84, ///<summary> ///F22 key, (PPC only) Key used to lock device. ///</summary> F22 = 0x85, ///<summary> ///F23 key ///</summary> F23 = 0x86, ///<summary> ///F24 key ///</summary> F24 = 0x87, ///<summary> ///NUM LOCK key ///</summary> NUMLOCK = 0x90, ///<summary> ///SCROLL LOCK key ///</summary> SCROLL = 0x91, ///<summary> ///Left SHIFT key ///</summary> LSHIFT = 0xA0, ///<summary> ///Right SHIFT key ///</summary> RSHIFT = 0xA1, ///<summary> ///Left CONTROL key ///</summary> LCONTROL = 0xA2, ///<summary> ///Right CONTROL key ///</summary> RCONTROL = 0xA3, ///<summary> ///Left MENU key ///</summary> LMENU = 0xA4, ///<summary> ///Right MENU key ///</summary> RMENU = 0xA5, ///<summary> ///Windows 2000/XP: Browser Back key ///</summary> BROWSER_BACK = 0xA6, ///<summary> ///Windows 2000/XP: Browser Forward key ///</summary> BROWSER_FORWARD = 0xA7, ///<summary> ///Windows 2000/XP: Browser Refresh key ///</summary> BROWSER_REFRESH = 0xA8, ///<summary> ///Windows 2000/XP: Browser Stop key ///</summary> BROWSER_STOP = 0xA9, ///<summary> ///Windows 2000/XP: Browser Search key ///</summary> BROWSER_SEARCH = 0xAA, ///<summary> ///Windows 2000/XP: Browser Favorites key ///</summary> BROWSER_FAVORITES = 0xAB, ///<summary> ///Windows 2000/XP: Browser Start and Home key ///</summary> BROWSER_HOME = 0xAC, ///<summary> ///Windows 2000/XP: Volume Mute key ///</summary> VOLUME_MUTE = 0xAD, ///<summary> ///Windows 2000/XP: Volume Down key ///</summary> VOLUME_DOWN = 0xAE, ///<summary> ///Windows 2000/XP: Volume Up key ///</summary> VOLUME_UP = 0xAF, ///<summary> ///Windows 2000/XP: Next Track key ///</summary> MEDIA_NEXT_TRACK = 0xB0, ///<summary> ///Windows 2000/XP: Previous Track key ///</summary> MEDIA_PREV_TRACK = 0xB1, ///<summary> ///Windows 2000/XP: Stop Media key ///</summary> MEDIA_STOP = 0xB2, ///<summary> ///Windows 2000/XP: Play/Pause Media key ///</summary> MEDIA_PLAY_PAUSE = 0xB3, ///<summary> ///Windows 2000/XP: Start Mail key ///</summary> LAUNCH_MAIL = 0xB4, ///<summary> ///Windows 2000/XP: Select Media key ///</summary> LAUNCH_MEDIA_SELECT = 0xB5, ///<summary> ///Windows 2000/XP: Start Application 1 key ///</summary> LAUNCH_APP1 = 0xB6, ///<summary> ///Windows 2000/XP: Start Application 2 key ///</summary> LAUNCH_APP2 = 0xB7, ///<summary> ///Used for miscellaneous characters; it can vary by keyboard. ///</summary> OEM_1 = 0xBA, ///<summary> ///Windows 2000/XP: For any country/region, the '+' key ///</summary> OEM_PLUS = 0xBB, ///<summary> ///Windows 2000/XP: For any country/region, the ',' key ///</summary> OEM_COMMA = 0xBC, ///<summary> ///Windows 2000/XP: For any country/region, the '-' key ///</summary> OEM_MINUS = 0xBD, ///<summary> ///Windows 2000/XP: For any country/region, the '.' key ///</summary> OEM_PERIOD = 0xBE, ///<summary> ///Used for miscellaneous characters; it can vary by keyboard. ///</summary> OEM_2 = 0xBF, ///<summary> ///Used for miscellaneous characters; it can vary by keyboard. ///</summary> OEM_3 = 0xC0, ///<summary> ///Used for miscellaneous characters; it can vary by keyboard. ///</summary> OEM_4 = 0xDB, ///<summary> ///Used for miscellaneous characters; it can vary by keyboard. ///</summary> OEM_5 = 0xDC, ///<summary> ///Used for miscellaneous characters; it can vary by keyboard. ///</summary> OEM_6 = 0xDD, ///<summary> ///Used for miscellaneous characters; it can vary by keyboard. ///</summary> OEM_7 = 0xDE, ///<summary> ///Used for miscellaneous characters; it can vary by keyboard. ///</summary> OEM_8 = 0xDF, ///<summary> ///Windows 2000/XP: Either the angle bracket key or the backslash key on the RT 102-key keyboard ///</summary> OEM_102 = 0xE2, ///<summary> ///Windows 95/98/Me, Windows NT 4.0, Windows 2000/XP: IME PROCESS key ///</summary> PROCESSKEY = 0xE5, ///<summary> ///Windows 2000/XP: 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> PACKET = 0xE7, ///<summary> ///Attn key ///</summary> ATTN = 0xF6, ///<summary> ///CrSel key ///</summary> CRSEL = 0xF7, ///<summary> ///ExSel key ///</summary> EXSEL = 0xF8, ///<summary> ///Erase EOF key ///</summary> EREOF = 0xF9, ///<summary> ///Play key ///</summary> PLAY = 0xFA, ///<summary> ///Zoom key ///</summary> ZOOM = 0xFB, ///<summary> ///Reserved ///</summary> NONAME = 0xFC, ///<summary> ///PA1 key ///</summary> PA1 = 0xFD, ///<summary> ///Clear key ///</summary> OEM_CLEAR = 0xFE } public enum ScanCodeShort : short { LBUTTON = 0, RBUTTON = 0, CANCEL = 70, MBUTTON = 0, XBUTTON1 = 0, XBUTTON2 = 0, BACK = 14, TAB = 15, CLEAR = 76, RETURN = 28, SHIFT = 42, CONTROL = 29, MENU = 56, PAUSE = 0, CAPITAL = 58, KANA = 0, HANGUL = 0, JUNJA = 0, FINAL = 0, HANJA = 0, KANJI = 0, ESCAPE = 1, CONVERT = 0, NONCONVERT = 0, ACCEPT = 0, MODECHANGE = 0, SPACE = 57, PRIOR = 73, NEXT = 81, END = 79, HOME = 71, LEFT = 75, UP = 72, RIGHT = 77, DOWN = 80, SELECT = 0, PRINT = 0, EXECUTE = 0, SNAPSHOT = 84, INSERT = 82, DELETE = 83, HELP = 99, KEY_0 = 11, KEY_1 = 2, KEY_2 = 3, KEY_3 = 4, KEY_4 = 5, KEY_5 = 6, KEY_6 = 7, KEY_7 = 8, KEY_8 = 9, KEY_9 = 10, KEY_A = 30, KEY_B = 48, KEY_C = 46, KEY_D = 32, KEY_E = 18, KEY_F = 33, KEY_G = 34, KEY_H = 35, KEY_I = 23, KEY_J = 36, KEY_K = 37, KEY_L = 38, KEY_M = 50, KEY_N = 49, KEY_O = 24, KEY_P = 25, KEY_Q = 16, KEY_R = 19, KEY_S = 31, KEY_T = 20, KEY_U = 22, KEY_V = 47, KEY_W = 17, KEY_X = 45, KEY_Y = 21, KEY_Z = 44, LWIN = 91, RWIN = 92, APPS = 93, SLEEP = 95, NUMPAD0 = 82, NUMPAD1 = 79, NUMPAD2 = 80, NUMPAD3 = 81, NUMPAD4 = 75, NUMPAD5 = 76, NUMPAD6 = 77, NUMPAD7 = 71, NUMPAD8 = 72, NUMPAD9 = 73, MULTIPLY = 55, ADD = 78, SEPARATOR = 0, SUBTRACT = 74, DECIMAL = 83, DIVIDE = 53, F1 = 59, F2 = 60, F3 = 61, F4 = 62, F5 = 63, F6 = 64, F7 = 65, F8 = 66, F9 = 67, F10 = 68, F11 = 87, F12 = 88, F13 = 100, F14 = 101, F15 = 102, F16 = 103, F17 = 104, F18 = 105, F19 = 106, F20 = 107, F21 = 108, F22 = 109, F23 = 110, F24 = 118, NUMLOCK = 69, SCROLL = 70, LSHIFT = 42, RSHIFT = 54, LCONTROL = 29, RCONTROL = 29, LMENU = 56, RMENU = 56, BROWSER_BACK = 106, BROWSER_FORWARD = 105, BROWSER_REFRESH = 103, BROWSER_STOP = 104, BROWSER_SEARCH = 101, BROWSER_FAVORITES = 102, BROWSER_HOME = 50, VOLUME_MUTE = 32, VOLUME_DOWN = 46, VOLUME_UP = 48, MEDIA_NEXT_TRACK = 25, MEDIA_PREV_TRACK = 16, MEDIA_STOP = 36, MEDIA_PLAY_PAUSE = 34, LAUNCH_MAIL = 108, LAUNCH_MEDIA_SELECT = 109, LAUNCH_APP1 = 107, LAUNCH_APP2 = 33, OEM_1 = 39, OEM_PLUS = 13, OEM_COMMA = 51, OEM_MINUS = 12, OEM_PERIOD = 52, OEM_2 = 53, OEM_3 = 41, OEM_4 = 26, OEM_5 = 43, OEM_6 = 27, OEM_7 = 40, OEM_8 = 0, OEM_102 = 86, PROCESSKEY = 0, PACKET = 0, ATTN = 0, CRSEL = 0, EXSEL = 0, EREOF = 93, PLAY = 0, ZOOM = 98, NONAME = 0, PA1 = 0, OEM_CLEAR = 0, } /// <summary> /// Define HARDWAREINPUT struct /// </summary> [StructLayout(LayoutKind.Sequential)] public struct HARDWAREINPUT { internal int uMsg; internal short wParamL; internal short wParamH; } }讨论(0)
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