{"id":1155,"date":"2010-11-08T10:02:11","date_gmt":"2010-11-08T08:02:11","guid":{"rendered":"https:\/\/alax.info\/blog\/?p=1155"},"modified":"2010-11-08T10:03:02","modified_gmt":"2010-11-08T08:03:02","slug":"how-to-get-hmodule-of-msvcr90-dll","status":"publish","type":"post","link":"https:\/\/alax.info\/blog\/1155","title":{"rendered":"How to get HMODULE of msvcr90.dll"},"content":{"rendered":"

Because Microsoft C++ Runtime library is distributed as a side-by-side assembly<\/a>, GetModuleHandle<\/a> and LoadLibrary<\/a> is no longer available to locate the library within the process. Both API calls would return NULL handle.<\/p>\n

HMODULE<\/span> hModule =<\/span> GetModuleHandle<\/span>(<\/span>_T(<\/span>\"<\/span>msvcr90.dll<\/span>\"<\/span>)<\/span>)<\/span>;<\/span>\r\nHMODULE<\/span> hModule =<\/span> LoadLibrary<\/span>(<\/span>_T(<\/span>\"<\/span>msvcr90.dll<\/span>\"<\/span>)<\/span>)<\/span>;<\/span><\/pre>\n
Still, how to locate the modules in order to, for example, be able to check DLL version? Process Status API (PSAPI)<\/a> can help:<\/p>\n
#<\/span>include <\/span><<\/span>psapi.h<\/span>><\/span>\r\n#<\/span>pragma <\/span>comment(lib, <\/span>\"psapi.lib\"<\/span>)<\/span>\r\n\r\n.<\/span>.<\/span>.<\/span>\r\n\r\nDWORD<\/span> nDataSize =<\/span> 4<\/span> <<\/span><<\/span> 10<\/span>;<\/span> \/\/ 4K<\/span>\r\nEnumProcessModules(<\/span>GetCurrentProcess<\/span>(<\/span>)<\/span>,<\/span> NULL<\/span>,<\/span> 0<\/span>,<\/span> &<\/span>nDataSize)<\/span>;<\/span>\r\nnDataSize +<\/span>=<\/span> nDataSize \/<\/span> 2<\/span>;<\/span>\r\nCTempBuffer<<\/span>HMODULE<\/span>><\/span> phModules;<\/span>\r\nATLENSURE_THROW(<\/span>phModules.<\/span>AllocateBytes(<\/span>nDataSize)<\/span>,<\/span> E_OUTOFMEMORY)<\/span>;<\/span>\r\nif<\/span>(<\/span>EnumProcessModules(<\/span>GetCurrentProcess<\/span>(<\/span>)<\/span>,<\/span> phModules,<\/span> nDataSize,<\/span> &<\/span>nDataSize)<\/span>)<\/span>\r\n{<\/span>\r\n    const<\/span> SIZE_T nCount =<\/span> nDataSize \/<\/span> sizeof<\/span> *<\/span>phModules;<\/span>\r\n    for<\/span>(<\/span>SIZE_T nIndex =<\/span> 0<\/span>;<\/span> nIndex <<\/span> nCount;<\/span> nIndex+<\/span>+<\/span>)<\/span>\r\n    {<\/span>\r\n        CPath sPath =<\/span> _VersionInfoHelper::<\/span>GetModulePath(<\/span>phModules[<\/span>nIndex]<\/span>)<\/span>;<\/span> \/\/ uses GetModuleFileName<\/span>\r\n        if<\/span>(<\/span>_tcsicmp(<\/span>FindFileName(<\/span>sPath)<\/span>,<\/span> _T(<\/span>\"<\/span>msvcr90.dll<\/span>\"<\/span>)<\/span>)<\/span> =<\/span>=<\/span> 0<\/span>)<\/span>\r\n        {<\/span>\r\n            \/\/ NOTE: Here we found it<\/span>\r\n            ATLTRACE2(<\/span>atlTraceGeneral,<\/span> 2<\/span>,<\/span> _T(<\/span>\"<\/span>msvcr90.dll version is <\/span>%s<\/span>\\n<\/span>\"<\/span>)<\/span>,<\/span> _VersionInfoHelper::<\/span>GetVersionString(<\/span>_VersionInfoHelper::<\/span>GetFileVersion(<\/span>sPath)<\/span>)<\/span>)<\/span>;<\/span>\r\n            break<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span><\/pre>\n","protected":false},"excerpt":{"rendered":"
Because Microsoft C++ Runtime library is distributed as a side-by-side assembly, GetModuleHandle and LoadLibrary is no longer available to locate the library within the process. Both API calls would return NULL handle. HMODULE hModule = GetModuleHandle(_T(“msvcr90.dll”)); HMODULE hModule = LoadLibrary(_T(“msvcr90.dll”)); Still, how to locate the modules in order to, for example, be able to check… <\/p>\n
Read the full article<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,13],"tags":[487,38,218,303,304],"class_list":["post-1155","post","type-post","status-publish","format-standard","hentry","category-seriously","category-source","tag-atl","tag-c","tag-debug","tag-psapi","tag-runtime"],"_links":{"self":[{"href":"https:\/\/alax.info\/blog\/wp-json\/wp\/v2\/posts\/1155","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alax.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alax.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alax.info\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/alax.info\/blog\/wp-json\/wp\/v2\/comments?post=1155"}],"version-history":[{"count":0,"href":"https:\/\/alax.info\/blog\/wp-json\/wp\/v2\/posts\/1155\/revisions"}],"wp:attachment":[{"href":"https:\/\/alax.info\/blog\/wp-json\/wp\/v2\/media?parent=1155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alax.info\/blog\/wp-json\/wp\/v2\/categories?post=1155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alax.info\/blog\/wp-json\/wp\/v2\/tags?post=1155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}