{"id":4355,"date":"2014-03-30T10:01:03","date_gmt":"2014-03-30T10:01:03","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/03\/30\/rte-8012-the-device-is-not-open-collection-of-common-programming-errors\/"},"modified":"2014-03-30T10:01:03","modified_gmt":"2014-03-30T10:01:03","slug":"rte-8012-the-device-is-not-open-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2014\/03\/30\/rte-8012-the-device-is-not-open-collection-of-common-programming-errors\/","title":{"rendered":"RTE: 8012 &ldquo;The device is not open&rdquo;-Collection of common programming errors"},"content":{"rendered":"<p>I have a VB6 program that uses MSComm control to send\/receive data via COM port. I occasionally get this runtime error 8012 &#8220;The device is not open&#8221;.<\/p>\n<p>I have found reference to this error but I can not find any reference to exactly what would cause this error. I would like to know the possible reasons that cause this error to occur?<\/p>\n<p>[EDIT]: I don&#8217;t have access to its source code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I have a VB6 program that uses MSComm control to send\/receive data via COM port. I occasionally get this runtime error 8012 &#8220;The device is not open&#8221;. I have found reference to this error but I can not find any reference to exactly what would cause this error. I would like to know the possible [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4355","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/4355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=4355"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/4355\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=4355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=4355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=4355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}