弹出按键的响应

OnKeyDown对方向键VK_UP 等 无效

但可使用 OnKeyUp 响应方向键

以下 为VC键盘响应对应的键值

0x1 鼠标左键

0x2 鼠标右键

0x3 CANCEL 键

0x4 鼠标中键

0x8 BACKSPACE 键

0x9 TAB 键

0xC CLEAR 键

0xD ENTER 键

0x10 SHIFT 键

0x11 CTRL 键

0x12 MENU 键

0x13 PAUSE 键

0x14 CAPS LOCK 键

0x1B ESC 键

0x20 SPACEBAR 键

0x21 PAGE UP 键

0x22 PAGE DOWN 键

0x23 END 键

0x24 HOME 键

0x25 LEFT ARROW 键

0x26 UP ARROW 键

0x27 RIGHT ARROW 键

0x28 DOWN ARROW 键

0x29 SELECT 键

0x2A PRINT SCREEN 键

0x2B EXECUTE 键

0x2C SNAPSHOT 键

0x2D INSERT 键

0x2E DELETE 键

0x2F HELP 键

0x90 NUM LOCK 键

A 至 Z 键与 A - Z 字母的 ASCII 码相同：

值 描述

65 A 键

66 B 键

67 C 键

68 D 键

69 E 键

70 F 键

71 G 键

72 H 键

73 I 键

74 J 键

75 K 键

76 L 键

77 M 键

78 N 键

79 O 键

80 P 键

81 Q 键

82 R 键

83 S 键

84 T 键

85 U 键

86 V 键

87 W 键

88 X 键

89 Y 键

90 Z 键

0 至 9 键与数字 0 - 9 的 ASCII 码相同：

值 描述

48 0 键

49 1 键

50 2 键

51 3 键

52 4 键

53 5 键

54 6 键

55 7 键

56 8 键

57 9 键

下列常数代表数字键盘上的键：

值 描述

0x60 0 键

0x61 1 键

0x62 2 键

0x63 3 键

0x64 4 键

0x65 5 键

0x66 6 键

0x67 7 键

0x68 8 键

0x69 9 键

0x6A MULTIPLICATION SIGN (*) 键

0x6B PLUS SIGN (+) 键

0x6C ENTER 键

0x6D MINUS SIGN (-) 键

0x6E DECIMAL POINT (.) 键

0x6F DIVISION SIGN (/) 键

下列常数代表功能键：

值 描述

0x70 F1 键

0x71 F2 键

0x72 F3 键

0x73 F4 键

0x74 F5 键

0x75 F6 键

0x76 F7 键

0x77 F8 键

0x78 F9 键

0x79 F10 键

0x7A F11 键

0x7B F12 键

0x7C F13 键

0x7D F14 键

0x7E F15 键

0x7F F16 键

亦可以用VK_值

Virtual Key Code Corresponding key VK_LBUTTON Left mouse button VK_RBUTTON Right mouse button VK_CANCEL Control+Break VK_MBUTTON Middle mouse button VK_BACK Backspace key VK_TAB Tab key VK_CLEAR Clear key VK_RETURN Enter key VK_SHIFT Shift key VK_CONTROL Ctrl key VK_MENU Alt key VK_PAUSE Pause key VK_CAPITAL Caps Lock key VK_KANA Used with IME VK_HANGUL Used with IME VK_JUNJA Used with IME VK_FINAL Used with IME VK_HANJA Used with IME VK_KANJI Used with IME VK_CONVERT Used with IME VK_NONCONVERT Used with IME VK_ACCEPT Used with IME VK_MODECHANGE Used with IME VK_ESCAPE Esc key VK_SPACE Space bar VK_PRIOR Page Up key VK_NEXT Page Down key VK_END End key VK_HOME Home key VK_LEFT Left Arrow key VK_UP Up Arrow key VK_RIGHT Right Arrow key VK_DOWN Down Arrow key VK_SELECT Select key VK_PRINT Print key (keyboard-specific) VK_EXECUTE Execute key VK_SNAPSHOT Print Screen key VK_INSERT Insert key VK_DELETE Delete key VK_HELP Help key VK_LWIN Left Windows key (Microsoft keyboard) VK_RWIN Right Windows key (Microsoft keyboard) VK_APPS Applications key (Microsoft keyboard) VK_NUMPAD0 0 key (numeric keypad) VK_NUMPAD1 1 key (numeric keypad) VK_NUMPAD2 2 key (numeric keypad) VK_NUMPAD3 3 key (numeric keypad) VK_NUMPAD4 4 key (numeric keypad) VK_NUMPAD5 5 key (numeric keypad) VK_NUMPAD6 6 key (numeric keypad) VK_NUMPAD7 7 key (numeric keypad) VK_NUMPAD8 8 key (numeric keypad) VK_NUMPAD9 9 key (numeric keypad) VK_MULTIPLY Multiply key (numeric keypad) VK_ADD Add key (numeric keypad) VK_SEPARATOR Separator key (numeric keypad) VK_SUBTRACT Subtract key (numeric keypad) VK_DECIMAL Decimal key (numeric keypad) VK_DIVIDE Divide key (numeric keypad) VK_F1 F1 key VK_F2 F2 key VK_F3 F3 key VK_F4 F4 key VK_F5 F5 key VK_F6 F6 key VK_F7 F7 key VK_F8 F8 key VK_F9 F9 key VK_F10 F10 key VK_F11 F11 key VK_F12 F12 key VK_F13 F13 key VK_F14 F14 key VK_F15 F15 key VK_F16 F16 key VK_F17 F17 key VK_F18 F18 key VK_F19 F19 key VK_F20 F20 key VK_F21 F21 key VK_F22 F22 key VK_F23 F23 key VK_F24 F24 key VK_NUMLOCK Num Lock key VK_SCROLL Scroll Lock key VK_LSHIFT Left Shift key (only used with GetAsyncKeyState and GetKeyState) VK_RSHIFT Right Shift key (only used with GetAsyncKeyState and GetKeyState) VK_LCONTROL Left Ctrl key (only used with GetAsyncKeyState and GetKeyState) VK_RCONTROL Right Ctrl key (only used with GetAsyncKeyState and GetKeyState) VK_LMENU Left Alt key (only used with GetAsyncKeyState and GetKeyState) VK_RMENU Right Alt key (only used with GetAsyncKeyState and GetKeyState) VK_PROCESSKEY Process key VK_ATTN Attn key VK_CRSEL CrSel key VK_EXSEL ExSel key VK_EREOF Erase EOF key VK_PLAY Play key VK_ZOOM Zoom key VK_NONAME Reserved for future use VK_PA1 PA1 key VK_OEM_CLEAR Clear key