Re: [偽蝦] 偽．蝦米 Ver 2.9.7 (不穩定測試版)

[ChrisTorng (ChrisTorng)]

: 完全更新了原本按鍵攔截的結構
: 因此會非常不穩定，也非常需要測試 ^^"
: （才剛解決一個嚴重 Bug）
: 事實上我還在評估
: 因為雖然這個結構可以改良部份困擾已久的問題
: 不過程式效率可能會降低（目前還不確定是不是真的會降低）
: 所以可能根據大家的回報再決定最後用哪一個結構好了
用 vc 寫 dll 對嗎？

事實上我為了工作已經寫好一個現成的攔截鍵盤 vc dll，
也是由書上抄來的，我用是已經很穩定了，不知道會不會有幫助，提供做參考：

// CbtHook.cpp : Defines the entry point for the DLL application.
//

#include "stdafx.h"
#include "CbtHook.h"

#define CBTHOOK_VERSION 1
#define MYWM_APPACTIVATE        WM_USER + 1
#define MYWM_APPMINMAX          WM_USER + 2
#define MYWM_APPDESTROYWND      WM_USER + 3

HINSTANCE g_hinstDll = NULL;

// for VS.NET warning C4659:
//   #pragma 'data_seg' : 使用保留的區段 '.drectve' 有未定義的行為，
//   使用 #pragma comment(linker, ...)
#pragma data_seg(".drectve")
//#pragma comment(linker, "/SECTION:.drectve,RWS")
    static char szLinkDirectiveShared[] = "-section:Shared,rws";
#pragma data_seg()

#pragma data_seg("Shared")

HHOOK g_hhook      = NULL;
HWND  g_hwndPost   = NULL;

#pragma data_seg()

static LRESULT WINAPI WndHook_HookProc(int nCode, WPARAM wParam,
   LPARAM lParam)
{
        switch (nCode)
        {
        case HCBT_ACTIVATE:
                PostMessage(g_hwndPost, MYWM_APPACTIVATE, wParam,
                   (LPARAM)(((LPCBTACTIVATESTRUCT)lParam)->hWndActive));
                break;
        case HCBT_MINMAX:
                PostMessage(g_hwndPost, MYWM_APPMINMAX, wParam, lParam);
                break;
        case HCBT_DESTROYWND:
                PostMessage(g_hwndPost, MYWM_APPDESTROYWND, wParam, lParam);
                break;
        }

        return CallNextHookEx(g_hhook, nCode, wParam, lParam);
}

BOOL WINAPI SetWindowHook(int ThreadId, HWND hWndPost)
{
        HHOOK hhook;

        if (g_hhook != NULL) return(FALSE);

        g_hwndPost = hWndPost;

        hhook = SetWindowsHookEx(WH_CBT, WndHook_HookProc, g_hinstDll,
           ThreadId);

        InterlockedExchange((PLONG) &g_hhook, (LONG) hhook);

        return(g_hhook != NULL);
}

BOOL WINAPI ReleaseWindowHook()
{
        BOOL fOK = TRUE;

        if (g_hhook == NULL)
                return(FALSE);
        fOK = UnhookWindowsHookEx(g_hhook);
        g_hhook = NULL;

        return(fOK);
}

int WINAPI GetDllVersion()
{
        return(CBTHOOK_VERSION);
}

BOOL APIENTRY DllMain(HINSTANCE hinstDll, DWORD fdwReason, LPVOID lpvReserved)
{
        switch (fdwReason)
        {
        case DLL_PROCESS_ATTACH:
                g_hinstDll = hinstDll;
                break;
        case DLL_THREAD_ATTACH:
        case DLL_THREAD_DETACH:
        case DLL_PROCESS_DETACH:
                break;
        }

        return(TRUE);
}

--
ChrisTorng http://groups.msn.com/ChrisTorng
ChrisTorng 樣式訊息記錄 V2.1 正式推出
http://groups.msn.com/ChrisTorng/msn6messagelog.msnw

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