【转】C#检查键盘大小写锁定状态的方法
作者：互联网
转自：
本文实例讲述了C#检查键盘大小写锁定状态的方法。分享给大家供大家参考。具体分析如下：
1、命名空间：
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2、导入方法
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3、大小写状态
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4、引用，此部分根据你的需要来修改
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5.键盘VK键值表---完整
键盘VK键值列表
/* Virtual Keys, Standard Set*/
VK_LBUTTON 0x01
VK_RBUTTON 0x02
VK_CANCEL 0x03
VK_MBUTTON 0x04
#define VK_LBUTTON 0x01 //鼠标左键
#define VK_RBUTTON 0x02 //鼠标右键
#define VK_CANCEL 0x03 //Ctrl + Break
#define VK_MBUTTON 0x04 //鼠标中键/* NOT contiguous with L & RBUTTON */
#define VK_BACK 0x08 //Backspace 键
#define VK_TAB 0x09 //Tab 键
#define VK_CLEAR 0x0C
#define VK_RETURN 0x0D //回车键
#define VK_SHIFT 0x10
#define VK_CONTROL 0x11
#define VK_MENU 0x12 //Alt 键
#define VK_PAUSE 0x13
#define VK_CAPITAL 0x14 //Caps Lock 键
#define VK_KANA 0x15
#define VK_HANGEUL 0x15 /* old name - should be here for compatibility */
#define VK_HANGUL 0x15
#define VK_JUNJA 0x17
#define VK_FINAL 0x18
#define VK_HANJA 0x19
#define VK_KANJI 0x19
#define VK_ESCAPE 0x1B //Esc 键
#define VK_CONVERT 0x1C
#define VK_NONCONVERT 0x1D
#define VK_ACCEPT 0x1E
#define VK_MODECHANGE 0x1F
#define VK_SPACE 0x20 //空格
#define VK_PRIOR 0x21 //Page Up 键
#define VK_NEXT 0x22 //Page Down 键
#define VK_END 0x23 //End 键
#define VK_HOME 0x24 //Home 键
#define VK_LEFT 0x25 /*方向键*/
#define VK_UP 0x26
#define VK_RIGHT 0x27
#define VK_DOWN 0x28
#define VK_SELECT 0x29
#define VK_PRINT 0x2A
#define VK_EXECUTE 0x2B
#define VK_SNAPSHOT 0x2C //Print Screen 键
#define VK_INSERT 0x2D //Insert键
#define VK_DELETE 0x2E //Delete键
#define VK_HELP 0x2F
/* VK_0 thru VK_9 are the same as ASCII '0' thru '9' (0x30 - 0x39) */
/* VK_A thru VK_Z are the same as ASCII 'A' thru 'Z' (0x41 - 0x5A) */
#define VK_LWIN 0x5B //左WinKey(104键盘才有)
#define VK_RWIN 0x5C //右WinKey(104键盘才有)
#define VK_APPS 0x5D //AppsKey(104键盘才有)
#define VK_NUMPAD0 0x60 //小键盘0-9
#define VK_NUMPAD1 0x61
#define VK_NUMPAD2 0x62
#define VK_NUMPAD3 0x63
#define VK_NUMPAD4 0x64
#define VK_NUMPAD5 0x65
#define VK_NUMPAD6 0x66
#define VK_NUMPAD7 0x67
#define VK_NUMPAD8 0x68
#define VK_NUMPAD9 0x69
#define VK_MULTIPLY 0x6A //乘
#define VK_ADD 0x6B //加
#define VK_SEPARATOR 0x6C //除
#define VK_SUBTRACT 0x6D //减
#define VK_DECIMAL 0x6E //小数点
#define VK_DIVIDE 0x6F
#define VK_F1 0x70 //功能键F1-F24
#define VK_F2 0x71
#define VK_F3 0x72
#define VK_F4 0x73
#define VK_F5 0x74
#define VK_F6 0x75
#define VK_F7 0x76
#define VK_F8 0x77
#define VK_F9 0x78
#define VK_F10 0x79
#define VK_F11 0x7A
#define VK_F12 0x7B
#define VK_F13 0x7C
#define VK_F14 0x7D
#define VK_F15 0x7E
#define VK_F16 0x7F
#define VK_F17 0x80
#define VK_F18 0x81
#define VK_F19 0x82
#define VK_F20 0x83
#define VK_F21 0x84
#define VK_F22 0x85
#define VK_F23 0x86
#define VK_F24 0x87
#define VK_NUMLOCK 0x90 //Num Lock 键
#define VK_SCROLL 0x91 //Scroll Lock 键
/*
* VK_L* & VK_R* - left and right Alt, Ctrl and Shift virtual keys.
* Used only as parameters to GetAsyncKeyState() and GetKeyState().
* No other API or message will distinguish left and right keys in this way.
*/
#define VK_LSHIFT 0xA0
#define VK_RSHIFT 0xA1
#define VK_LCONTROL 0xA2
#define VK_RCONTROL 0xA3
#define VK_LMENU 0xA4
#define VK_RMENU 0xA5
#if(WINVER >= 0x0400)
#define VK_PROCESSKEY 0xE5
#endif /* WINVER >= 0x0400 */
#define VK_ATTN 0xF6
#define VK_CRSEL 0xF7
#define VK_EXSEL 0xF8
#define VK_EREOF 0xF9
#define VK_PLAY 0xFA
#define VK_ZOOM 0xFB
#define VK_NONAME 0xFC
#define VK_PA1 0xFD
#define VK_OEM_CLEAR 0xFE
标签：C#,VK,键盘,大小写,bs,byte,thru,define 来源： https://blog.csdn.net/sinolover/article/details/117766429