WINAPI 编程获取文件版本信息

WINAPI 编程获取文件版本信息

cheungmine

本文演示如何使用win32 api 编写获得文件描述和产品版本。很简单的小程序。下面就是全部代码：test.c

//// test.c// by cheungmine//#include <windows.h>#include <stdio.h>#define DLLFILE "C://WINDOWS//system32//aaaamon.dll"//// 使用 WIN32 API 取得文件的描述和版本信息//void GetFileDescriptionAndProductVersionA(LPCSTR lpstrFilename, LPSTR lpoutFileDescription, UINT cbDescSize,LPSTR lpoutProductVersion, UINT cbVerSize){typedef DWORD(WINAPI *pfnGetFileVersionInfoSizeA)(LPCSTR,LPDWORD);typedef BOOL(WINAPI *pfnGetFileVersionInfoA)(LPCSTR,DWORD,DWORD,LPVOID);typedef BOOL(WINAPI *pfnVerQueryValueA)(const LPVOID,LPCSTR,LPVOID*,PUINT);HMODULE hDll = 0;DWORD dwHandle=0;DWORD dwInfoSize=0;pfnGetFileVersionInfoSizeA fnGetFileVersionInfoSizeA = 0;pfnGetFileVersionInfoA fnGetFileVersionInfoA = 0;pfnVerQueryValueA fnVerQueryValueA = 0;*lpoutFileDescription = 0;*lpoutProductVersion = 0;// Load system32/version.dll modulehDll = LoadLibraryA("version.dll");if (!hDll)return; fnGetFileVersionInfoSizeA = (pfnGetFileVersionInfoSizeA) GetProcAddress(hDll, "GetFileVersionInfoSizeA");fnGetFileVersionInfoA = (pfnGetFileVersionInfoA) GetProcAddress(hDll, "GetFileVersionInfoA");fnVerQueryValueA = (pfnVerQueryValueA) GetProcAddress(hDll, "VerQueryValueA");// If failed to get procdure addressif (!fnGetFileVersionInfoSizeA || !fnGetFileVersionInfoA || !fnVerQueryValueA){FreeLibrary(hDll);return;}dwInfoSize = fnGetFileVersionInfoSizeA(lpstrFilename, &dwHandle);if (dwInfoSize > 0){void *pvInfo = malloc(dwInfoSize);if (!pvInfo)exit(-1);// Out of memoryif (fnGetFileVersionInfoA(lpstrFilename, 0, dwInfoSize, pvInfo)){struct LANGANDCODEPAGE {WORD wLanguage;WORD wCodePage;} *lpTranslate;// Read the list of languages and code pages.UINT cbTranslate = 0;if ( fnVerQueryValueA(pvInfo, "//VarFileInfo//Translation", (void**) &lpTranslate, &cbTranslate) ){// ONLY Read the file description for FIRST language and code page.if ((cbTranslate/sizeof(struct LANGANDCODEPAGE)) > 0){const char *lpBuffer=0;UINT cbSizeBuf = 0;char szSubBlock[50];// Retrieve file description for language and code page 0wsprintfA(szSubBlock, "//StringFileInfo//%04x%04x//FileDescription", lpTranslate[0].wLanguage, lpTranslate[0].wCodePage);if ( fnVerQueryValueA(pvInfo, szSubBlock, (void**)&lpBuffer, &cbSizeBuf) ){//warning4996: strncpy(lpoutFileDescription, lpBuffer, cbDescSize-1);strncpy_s(lpoutFileDescription, cbDescSize, lpBuffer, cbDescSize-1);lpoutFileDescription[cbDescSize-1] = 0;}// Retrieve file version for language and code page 0wsprintfA(szSubBlock, "//StringFileInfo//%04x%04x//ProductVersion", lpTranslate[0].wLanguage, lpTranslate[0].wCodePage);if ( fnVerQueryValueA(pvInfo, szSubBlock, (void**)&lpBuffer, &cbSizeBuf) ){//warning4996: strncpy(lpoutProductVersion, lpBuffer, cbVerSize-1);strncpy_s(lpoutProductVersion, cbVerSize, lpBuffer, cbVerSize-1);lpoutProductVersion[cbVerSize-1] = 0;}// Retrieve others for language and code page 0 if you like// ...}}}// Free memoryfree(pvInfo);}// Free muduleFreeLibrary(hDll);}int main(int argc, char* argv[]){char szFileDesc[128];char szProductVersion[32];GetFileDescriptionAndProductVersionA(DLLFILE, szFileDesc, 128, szProductVersion, 32);printf("源文件：%s/n文件描述：%s/n产品版本：%s", DLLFILE, szFileDesc, szProductVersion);getchar();return 0;}