虽然说输入法不是什么新事物,种种言语版本都有,不过在C#不常见;这就会给人一种误解:C#不能做!实在C#能不能做呢,答案是一定的——三种体式格局都行:IMM、TSF以及外挂式。IMM这类就是调windows的一些底层api,不过在新版本的windows中基础上已不能用了,属于一种过期的操纵体式格局。TSF是微软引荐的一种新体式格局,不过相对C#材料太少;线上重要的一些都是针对C++的版本材料,固然能够作为自创来完成C#版的。我这里重要引见一种外挂式的(天啦撸,C#能够写外挂?),关于高手来讲一定何足道哉,不过也算是完成了外挂及输入法!题外话——C#能够做外挂么?答案是能够的,C#针对windows的api编程材料照样许多的,下面就简朴的引见一下面能够要运用到的api:
装置了一个钩子,截取鼠标键盘等信号
public static extern int SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);
住手运用钩子
public static extern bool UnhookWindowsHookEx(int idHook);
经由过程信息钩子继承下一个钩子
public static extern int CallNextHookEx(int idHook, int nCode, Int32 wParam, IntPtr lParam);
线程钩子须要用到
static extern int GetCurrentThreadId();
运用WINDOWS API函数替代猎取当前实例的函数,防备钩子失效
public static extern IntPtr GetModuleHandle(string name);
转换指定的假造键码和键盘状况的响应字符或字符
public static extern int ToAscii(int uVirtKey, //[in] 指定假造症结代码举行翻译。
int uScanCode, // [in] 指定的硬件扫描码的症结须翻译成英文。高阶位的这个值设定的症结,假如是(不压)
byte[] lpbKeyState, // [in] 指针,以256字节数组,包括当前键盘的状况。每一个元素(字节)的数组包括状况的一个症结。假如高阶位的字节是一套,症结是下跌(按下)。在低比特,假如设置表明,症结是对切换。在此功用,只要肘位的CAPS LOCK键是相干的。在切换状况的NUM个锁和转动锁定键被疏忽。
byte[] lpwTransKey, // [out] 指针的缓冲区收到翻译字符或字符。
int fuState);
1.有了以上的这些api基础上就能够完成鼠标键盘的监控或许锁定等;那末首先要装置钩子:
// 装置键盘钩子 public void Start() { if (hKeyboardHook == 0) { KeyboardHookProcedure = new HookProc(KeyboardHookProc); hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, KeyboardHookProcedure, GetModuleHandle(Process.GetCurrentProcess().MainModule.ModuleName), 0); //假如SetWindowsHookEx失利 if (hKeyboardHook == 0) { Stop(); throw new Exception("装置键盘钩子失利"); } } }
2.装置完后就要对猎取到钩子举行处置惩罚:
private int KeyboardHookProc(int nCode, Int32 wParam, IntPtr lParam) { // 侦听键盘事宜 if (nCode >= 0 && wParam == 0x0100) { KeyboardHookStruct MyKeyboardHookStruct = (KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyboardHookStruct)); #region 开关 if (MyKeyboardHookStruct.vkCode == 20 || MyKeyboardHookStruct.vkCode == 160 || MyKeyboardHookStruct.vkCode == 161) { isLocked = isLocked ? false : true; } #endregion #region if (isLocked) { if (isStarted && MyKeyboardHookStruct.vkCode >= 48 && MyKeyboardHookStruct.vkCode <= 57) { var c = int.Parse(((char)MyKeyboardHookStruct.vkCode).ToString()); OnSpaced(c); isStarted = false; return 1; } if (isStarted && MyKeyboardHookStruct.vkCode == 8) { OnBacked(); return 1; } if ((MyKeyboardHookStruct.vkCode >= 65 && MyKeyboardHookStruct.vkCode <= 90) || MyKeyboardHookStruct.vkCode == 32) { if (MyKeyboardHookStruct.vkCode >= 65 && MyKeyboardHookStruct.vkCode <= 90) { Keys keyData = (Keys)MyKeyboardHookStruct.vkCode; KeyEventArgs e = new KeyEventArgs(keyData); KeyUpEvent(this, e); isStarted = true; } if (MyKeyboardHookStruct.vkCode == 32) { OnSpaced(0); isStarted = false; } return 1; } else return 0; } #endregion } return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam); }
上面一些数字,关于刚入门的同砚来讲也不是什么问题,一看就邃晓是对哪些键做的操纵。
3.住手钩子
1 public void Stop() 2 { 3 bool retKeyboard = true; 4 5 6 if (hKeyboardHook != 0) 7 { 8 retKeyboard = UnhookWindowsHookEx(hKeyboardHook); 9 hKeyboardHook = 0;10 }11 12 if (!(retKeyboard))13 throw new Exception("卸载钩子失利!");14 }
4.注册事宜
1 private void WordBoard_Load(object sender, EventArgs e)2 {3 Program.keyBordHook.KeyUpEvent += KeyBordHook_KeyUpEvent;4 Program.keyBordHook.OnSpaced += KeyBordHook_OnSpaced;5 Program.keyBordHook.OnBacked += KeyBordHook_OnBacked;6 }
5.依据输入内容显现并举行转换
1 private void ShowCharatar() 2 { 3 this.listView1.BeginInvoke(new Action(() => 4 { 5 label1.Text = keys; 6 7 try 8 { 9 this.listView1.Items.Clear();10 var arr = CacheHelper.Get(keys);11 if (arr != null)12 for (int i = 0; i < (arr.Length > 10 ? 9 : arr.Length); i++)13 {14 this.listView1.Items.Add((i + 1) + "、" + arr[i]);15 }16 }17 catch18 {19 label1.Text = keys = "";20 }21 }));22 }
6.显现输入
1 private void KeyBordHook_KeyUpEvent(object sender, KeyEventArgs e)2 {3 keys += e.KeyCode.ToString().ToLower();4 this.ShowCharatar();5 }
7.空格上屏
1 private void KeyBordHook_OnSpaced(int choose) 2 { 3 try 4 { 5 if (CacheHelper.ContainsKey(keys)) 6 { 7 if (choose > 0) 8 { 9 choose = choose - 1;10 }11 12 Program.keyBordHook.Send(CacheHelper.Get(keys)[choose]);13 label1.Text = "";14 this.listView1.Clear();15 }16 }17 catch18 {19 20 }21 keys = "";22 }
8.将数据发送到激活的输入框中
1 public void Send(string msg)2 {3 if (!string.IsNullOrEmpty(msg))4 {5 Stop();6 SendKeys.Send("{RIGHT}" + msg);7 Start();8 }9 }
9.back键回退
1 private void KeyBordHook_OnBacked()2 {3 if (!string.IsNullOrEmpty(keys))4 {5 keys = keys.Substring(0, keys.Length - 1);6 }7 this.ShowCharatar();8 }
固然这里还能够使其他键来完美更多的功用,比方拼音的分页处置惩罚等
至于什么五笔、拼音就要运用词库来处理了;个中五笔比较简朴,拼音就非常复杂了,种种分词、遐想等...这里以五笔为主,拼音为单拼来完成基础的输入功用;所以不须要什么深邃算法,简朴运用MemoryCache就轻松高效搞定(有兴致的能够来http://www.ki4.cn/ 上完美)
10.键词转换
1 /***************************************************************************************************** 2 * 本代码版权归@wenli一切,All Rights Reserved (C) 2015-2017 3 ***************************************************************************************************** 4 * CLR版本:4.0.30319.42000 5 * 唯一标识:8ebc884b-ee5f-45de-8638-c054b832e0ce 6 * 机械称号:WENLI-PC 7 * 联系人邮箱:wenguoli_520@qq.com 8 ***************************************************************************************************** 9 * 项目称号:$projectname$ 10 * 定名空间:Wenli.IEM 11 * 类称号:CacheHelper 12 * 建立时候:2017/3/3 16:18:14 13 * 建立人:wenli 14 * 建立申明: 15 *****************************************************************************************************/ 16 using System; 17 using System.Collections.Generic; 18 using System.IO; 19 using System.Linq; 20 using System.Runtime.Caching; 21 using System.Text; 22 using System.Windows.Forms; 23 24 namespace Wenli.IEM.Helper 25 { 26 public static class CacheHelper 27 { 28 static MemoryCache _wubiCache = new MemoryCache("wubi"); 29 30 static MemoryCache _pinyinCache = new MemoryCache("pinyin"); 31 32 static CacheHelper() 33 { 34 var path = Application.StartupPath + "\\Win32\\world.dll"; 35 var arr = File.ReadAllLines(path); 36 foreach (string item in arr) 37 { 38 var key = item.Substring(0, item.IndexOf(" ")); 39 var value = item.Substring(item.IndexOf(" ") + 1); 40 _wubiCache.Add(key, (object)value, DateTimeOffset.MaxValue); 41 } 42 43 // 44 45 path = Application.StartupPath + "\\Win32\\pinyin.dll"; 46 arr = File.ReadAllLines(path); 47 foreach (string item in arr) 48 { 49 var key = item.Substring(0, item.IndexOf(" ")); 50 var value = item.Substring(item.IndexOf(" ") + 1); 51 _pinyinCache.Add(key, (object)value, DateTimeOffset.MaxValue); 52 } 53 } 54 55 public static string[] Get(string key) 56 { 57 if (!string.IsNullOrEmpty(key)) 58 { 59 var str = string.Empty; 60 61 try 62 { 63 if (_wubiCache.Contains(key)) 64 str = _wubiCache[key].ToString(); 65 } 66 catch { } 67 try 68 { 69 if (_pinyinCache.Contains(key)) 70 str += " " + _pinyinCache[key].ToString(); 71 } 72 catch { } 73 74 if (!string.IsNullOrEmpty(str)) 75 { 76 var arr = str.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries); 77 for (int i = 0; i < arr.Length; i++) 78 { 79 if (arr[i].IndexOf("*") > -1) 80 { 81 arr[i] = arr[i].Substring(0, arr[i].IndexOf("*")); 82 } 83 } 84 return arr; 85 } 86 } 87 88 return null; 89 } 90 91 92 public static bool ContainsKey(string key) 93 { 94 if (_wubiCache.Contains(key)) 95 return true; 96 if (_pinyinCache.Contains(key)) 97 return true; 98 return false; 99 }100 101 public static void Clear()102 {103 _wubiCache.Dispose();104 GC.Collect(-1);105 }106 }107 }
到此一个基础型的C#版外挂输入法就胜利完成了,源码地点:http://www.ki4.cn/
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