{"id":1717,"date":"2022-07-31T12:51:48","date_gmt":"2022-07-31T03:51:48","guid":{"rendered":"https:\/\/www.typea.info\/blog\/?p=1717"},"modified":"2022-07-31T12:55:13","modified_gmt":"2022-07-31T03:55:13","slug":"cpp_reg_get_strings","status":"publish","type":"post","link":"https:\/\/www.typea.info\/blog\/index.php\/2022\/07\/31\/cpp_reg_get_strings\/","title":{"rendered":"C++ \u30ec\u30b8\u30b9\u30c8\u30ea\u306e\u6587\u5b57\u5217\u5024\u3092\u53d6\u5f97"},"content":{"rendered":"<p><a href=\"https:\/\/github.com\/GiovanniDicanio\/ReadStringsFromRegistry\/blob\/master\/README.md\">https:\/\/github.com\/GiovanniDicanio\/ReadStringsFromRegistry\/blob\/master\/README.md<\/a><\/p>\n<p>\u4e0a\u8a18\u3092\u53c2\u8003\u306b\u3001C++\u3067\u30ec\u30b8\u30b9\u30c8\u30ea\u304b\u3089\u6587\u5b57\u5217\u5024\u3092\u53d6\u5f97\u3059\u308b\u5b9f\u88c5<\/p>\n<p><a href=\"http:\/\/chipmunkland.blog104.fc2.com\/blog-entry-67.html\">http:\/\/chipmunkland.blog104.fc2.com\/blog-entry-67.html<\/a><\/p>\n<p>\u53d6\u5f97\u3057\u305f\u5024\u3092\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u5217\u306b\u5909\u63db\u3059\u308b<\/p>\n<p>\u00a0<\/p>\n<pre class=\"prettyprint\">\/\/ DsScrLauncher2.cpp : \u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u306f 'main' \u95a2\u6570\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u306e\u958b\u59cb\u3068\u7d42\u4e86\u304c\u305d\u3053\u3067\u884c\u308f\u308c\u307e\u3059\u3002\n\/\/\n\n#include &lt;stdio.h&gt;\n#include &lt;iostream&gt;\n#include &lt;windows.h&gt;\n#include &lt;winreg.h&gt;\n#include &lt;atlstr.h&gt;\n\n\n\/\/\/ https:\/\/github.com\/GiovanniDicanio\/ReadStringsFromRegistry\/blob\/master\/README.md\n\/\/\/ http:\/\/chipmunkland.blog104.fc2.com\/blog-entry-67.html\n\/\/\/\nint main()\n{\n    \/\/ Windows\u30ec\u30b8\u30b9\u30c8\u30ea\u304b\u3089\u6587\u5b57\u5217\u5024\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u3001Win32 RegGetValue() API\u3092\u4f7f\u7528\u3059\u308b\n    \/\/ \n    \/\/ \u53d6\u5f97\u3059\u308b\u6587\u5b57\u5217\u306e\u30b5\u30a4\u30ba\u306f\u4e8b\u524d\u306b\u306f\u5206\u304b\u3089\u306a\u3044\u306e\u3067\u3001RegGetValue()\u95a2\u6570\u30922\u56de\u547c\u3073\u51fa\u3059\n    \/\/ \u6700\u521d\u306e\u547c\u3073\u51fa\u3057\u306e\u76ee\u7684\u306f\u3001\u6587\u5b57\u5217\u3092\u683c\u7d0d\u3059\u308b\u306e\u306b\u5341\u5206\u306a\u5927\u304d\u3055\u306e\u30d0\u30c3\u30d5\u30a1\u3092\u5272\u308a\u5f53\u3066\u308b\u305f\u3081\u306e\u30b5\u30a4\u30ba\u5024\u3092\u53d6\u5f97\u3059\u308b\n    \/\/ \u30b5\u30a4\u30ba\u5024\u304c\u6c7a\u307e\u308c\u3070\u3001\u9069\u5207\u306a\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3092\u6301\u3064 CString \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u308b\n    \/\/ \u6b21\u306b\u3001RegGetValue()\u95a2\u6570\u3092\u518d\u5ea6\u547c\u3073\u51fa\u3057\u3001\u4eca\u5ea6\u306fpvData\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u6709\u52b9\u306a\u30d0\u30c3\u30d5\u30a1\u30dd\u30a4\u30f3\u30bf\u3068\u3001\u6709\u52b9\u306a\u6700\u5927\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3092\u6e21\u3059\n    \/\/ 2\u56de\u76ee\u306e\u547c\u3073\u51fa\u3057\u304c\u6210\u529f\u3059\u308b\u3068\u3001RegGetValue()\u95a2\u6570\u306f\u63d0\u4f9b\u3055\u308c\u305f\u30d0\u30c3\u30d5\u30a1\u306b\u5b9f\u969b\u306e\u6587\u5b57\u5217\u5024\u3092\u683c\u7d0d\n\n    DWORD keyType = 0;\n    DWORD dataSize = 0;\n    const DWORD flags = RRF_RT_REG_SZ; \/\/ \u6587\u5b57\u5217\uff08REG_SZ\uff09\u306e\u307f\u8aad\u307f\u8fbc\u307f\u53ef\n    LONG result = ::RegGetValue(\n        HKEY_CURRENT_USER,\n        _T(\"Software\\\\\u30ec\u30b8\u30b9\u30c8\u30ea\u30b5\u30d6\u30ad\u30fc\"),\n        _T(\"\u30ec\u30b8\u30b9\u30c8\u30ea\u5024\"),\n        flags,\n        &amp;keyType,\n        nullptr, \/\/ pvData == nullptr ? Request buffer size\n        &amp;dataSize);\n    \n    if (result != ERROR_SUCCESS)\n    {\n        return 1;\n    }\n\n    CString text;\n    const DWORD bufferLength = dataSize \/ sizeof(WCHAR); \/\/ WCHAR\u306e\u9577\u3055\n    WCHAR* const textBuffer = text.GetBuffer(bufferLength);\n\n    \/\/ \u30ec\u30b8\u30b9\u30c8\u30ea\u304b\u3089\u6587\u5b57\u5217\u5024\u3092\u30ed\u30fc\u30ab\u30eb\u306e\u6587\u5b57\u5217\u30d0\u30c3\u30d5\u30a1\u306b\u8aad\u307f\u8fbc\u3080\n    result = ::RegGetValue(\n        HKEY_CURRENT_USER,\n        _T(\"Software\\\\\u30ec\u30b8\u30b9\u30c8\u30ea\u30b5\u30d6\u30ad\u30fc\"),\n        _T(\"\u30ec\u30b8\u30b9\u30c8\u30ea\u5024\"),\n        flags,\n        nullptr,\n        textBuffer, \/\/ \u3053\u306e\u30d0\u30c3\u30d5\u30a1\u306b\u6587\u5b57\u5217\u3092\u66f8\u304d\u8fbc\u3080\n        &amp;dataSize);\n\n    if (result != ERROR_SUCCESS)\n    {\n        return 1;\n    }\n\n    const DWORD actualStringLength = dataSize \/ sizeof(WCHAR);\n\n    \/\/ -1 to exclude the terminating NUL\n    text.ReleaseBufferSetLength(actualStringLength - 1);\n\n    \/\/ std::wcout &lt;&lt; text.GetString() &lt;&lt; std::endl;\n\n    \/\/ CString\u3092\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u306b\u5909\u63db\n    CT2A scr(text);\n\n    \/\/ std::wcout &lt;&lt; scr &lt;&lt; std::endl;\n\n    \/\/ \u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8d77\u52d5\n    system(scr);\n    \n    \/\/FreeConsole();\n    ::ShowWindow(::GetConsoleWindow(), SW_HIDE);\n\n    return 0;\n}\n\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/github.com\/GiovanniDicanio\/ReadStringsFromRegistry\/blob\/master\/README.md \u4e0a\u8a18\u3092\u53c2\u8003\u306b\u3001C++\u3067\u30ec\u30b8\u30b9\u30c8\u30ea\u304b\u3089\u6587\u5b57\u5217\u5024\u3092\u53d6\u5f97\u3059\u308b\u5b9f\u88c5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[],"tags":[202,201],"class_list":["post-1717","post","type-post","status-publish","format-standard","hentry","tag-c-2","tag-win32api"],"veu_head_title_object":{"title":"","add_site_title":""},"_links":{"self":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts\/1717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=1717"}],"version-history":[{"count":2,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts\/1717\/revisions"}],"predecessor-version":[{"id":1719,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts\/1717\/revisions\/1719"}],"wp:attachment":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=1717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=1717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=1717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}