{"id":6650,"date":"2022-09-04T11:01:18","date_gmt":"2022-09-04T05:31:18","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-get-process-name-from-process-id-in-windows-through-c-without-enumerating-process\/"},"modified":"2022-09-04T11:01:18","modified_gmt":"2022-09-04T05:31:18","slug":"solved-how-to-get-process-name-from-process-id-in-windows-through-c-without-enumerating-process","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-get-process-name-from-process-id-in-windows-through-c-without-enumerating-process\/","title":{"rendered":"[Solved] How to get Process name from process id in windows through C++ without enumerating process?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-31885687\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"31885687\" data-parentid=\"31884921\" data-score=\"3\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<blockquote>\n<p>I need to get process name from process id in windows to find process names associated with a logged event.<\/p>\n<\/blockquote>\n<p>If you are getting the Process ID from a log, it will only be valid if the original process is still running.  Otherwise, the ID is no longer valid for that process name.  If the process has already exited before you read the log, all bets are off.<\/p>\n<blockquote>\n<p>I need not currently running process since it talks about logged event.<\/p>\n<\/blockquote>\n<p>Then you are out of luck, if the original process name was not logged.<\/p>\n<blockquote>\n<p>I have a doubt of whether processID vs processName combination is unique or not in Windows.<\/p>\n<\/blockquote>\n<p>A Process ID is unique only while being used for a running process.  Once a process ends, its Process ID is no longer valid, and can be re-used for a subsequent new process.<\/p>\n<blockquote>\n<p>I expect that there must be some structure to map process id to process name. <\/p>\n<\/blockquote>\n<p>Yes, but only for a running process.  You can pass the Process ID to <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/msdn.microsoft.com\/en-us\/library\/windows\/desktop\/ms684320.aspx\"><code>OpenProcess()<\/code><\/a>.  If successful, it will return a <code>HANDLE<\/code> to the running process.  You can then pass that <code>HANDLE<\/code> to <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/msdn.microsoft.com\/en-us\/library\/windows\/desktop\/ms683197.aspx\"><code>GetModuleFileName()<\/code><\/a>, <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/msdn.microsoft.com\/en-us\/library\/windows\/desktop\/ms683217.aspx\"><code>GetProcessImageFileName()<\/code><\/a>, or <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/msdn.microsoft.com\/en-us\/library\/windows\/desktop\/ms684919.aspx\"><code>QueryFullProcessImageName()<\/code><\/a>, depending on OS version and permissions you are able to gain from <code>OpenProcess()<\/code>.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to get Process name from process id in windows through C++ without enumerating process? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I need to get process name from process id in windows to find process names associated with a logged event. If you are getting the Process ID from a log, it will only be valid if the original process is still running. Otherwise, the ID is no longer valid for that process name. If &#8230; <a title=\"[Solved] How to get Process name from process id in windows through C++ without enumerating process?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-get-process-name-from-process-id-in-windows-through-c-without-enumerating-process\/\" aria-label=\"More on [Solved] How to get Process name from process id in windows through C++ without enumerating process?\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324,1367,1543,683,774],"class_list":["post-6650","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-operating-system","tag-process","tag-winapi","tag-windows"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to get Process name from process id in windows through C++ without enumerating process? - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-get-process-name-from-process-id-in-windows-through-c-without-enumerating-process\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to get Process name from process id in windows through C++ without enumerating process? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I need to get process name from process id in windows to find process names associated with a logged event. 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