大家可能都对金山快译可以将英文软件翻译成中文软件的功能感到惊奇
其实就是全局钩子勾住textout函数

钩子头文件如下

void __declspec(dllexport) WINAPI InstallHook(BOOL,DWORD); 
BOOL WINAPI UnInstallHook(); 
LRESULT CALLBACK GetMsgProC(int code,WPARAM wParam,LPARAM lParam); 
void WINAPI HookOneAPI(LPCTSTR pszCalleeModuleName,PROC pfnOriginApiAddress, 
        PROC pfnDummyFuncAddress,HMODULE hModCallerModule); 
BOOL WINAPI HookAllAPI(LPCTSTR pszCalleeModuleName,PROC pfnOriginApiAddress, 
        PROC pfnDummyFuncAddress,HMODULE hModCallerModule); 
BOOL WINAPI UnhookAllAPIHooks(LPCTSTR pszCalleeModuleName,PROC pfnOriginApiAddress, 
         PROC pfnDummyFuncAddress,HMODULE hModCallerModule); 
BOOL WINAPI H_TextOutA(HDC, int, int, LPCSTR, int); 
BOOL WINAPI H_TextOutW(HDC, int, int, LPCWSTR, int); 
BOOL WINAPI H_ExtTextOutA(HDC, int, int, UINT, CONST RECT *,LPCSTR, UINT, CONST INT *); 
BOOL WINAPI H_ExtTextOutW(HDC, int, int, UINT, CONST RECT *,LPCWSTR, UINT, CONST INT *); 

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