模拟键盘按键自动输入文字，焦点文字，模拟键盘输入

using System; using System.Runtime.InteropServices; using System.Reflection; using System.Windows.Forms; namespace KeyboardHook { public enum KeyboardEvents { KeyDown = 0x0100, KeyUp = 0x0101, SystemKeyDown = 0x0104, SystemKeyUp = 0x0105 } [StructLayout(LayoutKind.Sequential)] public struct KeyboardHookStruct { public int vkCode; //表示一个在1到254间的虚似键盘码 public int scanCode; //表示硬件扫描码 public int flags; public int time; public int dwExtraInfo; } public delegate void KeyboardEventHandler(KeyboardEvents keyEvent, System.Windows.Forms.Keys key); public class Hook { public event KeyboardEventHandler KeyboardEvent; public enum HookType { WH_JOURNALRECORD = 0, WH_JOURNALPLAYBACK = 1, WH_KEYBOARD = 2, WH_GETMESSAGE = 3, WH_CALLWNDPROC = 4, WH_CBT = 5, WH_SYSMSGFILTER = 6, WH_MOUSE = 7, WH_HARDWARE = 8, WH_DEBUG = 9, WH_SHELL = 10, WH_FOREGROUNDIDLE = 11, WH_CALLWNDPROCRET = 12, WH_KEYBOARD_LL = 13, WH_MOUSE_LL = 14, WH_MSGFILTER = -1, } public delegate IntPtr HookProc(int code, int wParam, IntPtr lParam); [DllImport("User32.dll", CharSet = CharSet.Auto)] public static extern IntPtr SetWindowsHookEx(HookType hookType, HookProc hook, IntPtr instance, int threadID); [DllImport("User32.dll", CharSet = CharSet.Auto)] public static extern IntPtr CallNextHookEx(IntPtr hookHandle, int code, int wParam, IntPtr lParam); [DllImport("User32.dll", CharSet = CharSet.Auto)] public static extern bool UnhookWindowsHookEx(IntPtr hookHandle); private IntPtr instance; private IntPtr hookHandle; private int threadID; private HookProc hookProcEx; public Hook() { this.instance = Marshal.GetHINSTANCE(Assembly.GetExecutingAssembly().GetModules()[0]); this.threadID = 0; hookHandle = IntPtr.Zero; hookProcEx = new HookProc(hookProc); } public bool SetHook() { this.hookHandle = SetWindowsHookEx(HookType.WH_KEYBOARD_LL, hookProcEx, this.instance, this.threadID); return ((int)hookHandle != 0); } public IntPtr hookProc(int code, int wParam, IntPtr lParam) { if (code >= 0) { KeyboardEvents kEvent = (KeyboardEvents)wParam; if (kEvent != KeyboardEvents.KeyDown && kEvent != KeyboardEvents.KeyUp && kEvent != KeyboardEvents.SystemKeyDown && kEvent != KeyboardEvents.SystemKeyUp) { return CallNextHookEx(this.hookHandle, (int)HookType.WH_KEYBOARD_LL, wParam, lParam); } KeyboardHookStruct MyKey = new KeyboardHookStruct(); Type t = MyKey.GetType(); MyKey = (KeyboardHookStruct)Marshal.PtrToStructure(lParam, t); Keys keyData = (Keys)MyKey.vkCode; KeyboardEvent(kEvent, keyData); } return CallNextHookEx(this.hookHandle, (int)HookType.WH_KEYBOARD_LL, wParam, lParam); } public bool UnHook() { return Hook.UnhookWindowsHookEx(this.hookHandle); } } }

1. 开发环境： 基于 VS2019 基于C#语言 2. 解决问题 不需要键盘，直接用鼠标模拟键盘发射数字 3、源代码讲解地址： https://blog.csdn.net/hgaohr1021/article/details/129022488?spm=1001.2014.3001.5502

摘要：HA7279A是一种智能键盘和LED专用控制芯片，它带有串行接口，可同时驱动８位共阴式数码管或64只独立LED。文中详述了该芯片的工作原理、工作时序及控制指令，给出了HD7279A与CPU的实际接口电路及设计程序，同时指出了实际应用中的一些注意事项。 关键词：HD7279A；工作时序；接口电路１ 主要特性ＨＤ７２７９Ａ是比高公司生产的单片具有串行接口、可同时驱动８位共阴式数码管（或６４只独立ＬＥＤ）的智能显示驱动芯片，该芯片同时可连接多达６４键的键盘矩阵，一片即可完成ＬＥＤ显示及键盘接口的全部功能。ＨＤ７２７９Ａ和微处理器之间采用串行接口，其接口和外围电路比较简单，且占用口线少，加

这是 Visual C++ 典型模块与项目实战大全 清华大学出版社 第11章 截屏工具（动态链接库+键盘钩子+光标捕获+类橡皮类CRectTracker） 源码，为了防止光盘丢失，特存于此。

layui手机车牌号码键盘代码是一款基于jQuery跟layui制作的手机端车牌号码输入弹出键盘选择，支持新能源汽车车牌输入格式代码。

C#键盘鼠标钩子，可以知道键盘和鼠标的动作, 本人根据这个工具，制作成了不用鼠标键盘五分钟 用友自动退出工具 当然了，还可以做成很多程序！ QQ交流：873968102

适合触摸屏用的数字小键盘，labview作的。具有自动躲避输入框的功能，并且具有数值上下限功能。做项目时一直使用。

Qt EventFilter 事件过滤器 及传递 鼠标键盘事件捕捉； https://blog.csdn.net/q610098308/article/details/126302939

12864 图形温度计 ds1302 ds18b20 矩阵键盘