{"id":13149,"date":"2023-01-03T07:00:00","date_gmt":"2023-01-03T15:00:00","guid":{"rendered":"https:\/\/www.autodesk.com/blogs\/autocad\/?p=13149"},"modified":"2022-12-15T17:09:18","modified_gmt":"2022-12-16T01:09:18","slug":"discover-the-system-variable-monitor-in-autocad-tuesday-tips-with-frank","status":"publish","type":"post","link":"https:\/\/www.autodesk.com/blogs\/autocad\/discover-the-system-variable-monitor-in-autocad-tuesday-tips-with-frank\/","title":{"rendered":"Discover the System Variable Monitor in AutoCAD: Tuesday Tips With Frank"},"content":{"rendered":"\n<p>Let\u2019s see if this has ever happened to you. You\u2019re working along, happy as a clam, when suddenly \u2013 for no apparent reason- something doesn\u2019t work like you\u2019re used to. For example, let\u2019s say you try to open an existing drawing file and don\u2019t get the open dialog. Instead, the Command Line wants you to type it in. Substitute your own example, but I bet almost everyone using AutoCAD has run into things like this.<\/p>\n\n\n\n<p>So, what do you do? You might search the internet for a solution, or if you have a <a href=\"https:\/\/www.autodesk.com\/solutions\/cad-manager\" target=\"_blank\" rel=\"noreferrer noopener\">CAD Manager<\/a>, you give them a call (for years, that would have been me). You finally find the answer (which is to set <a href=\"https:\/\/knowledge.autodesk.com\/support\/autocad\/learn-explore\/caas\/CloudHelp\/cloudhelp\/2023\/ENU\/AutoCAD-Core\/files\/GUID-99736BD7-E60E-4F4A-83F7-436B6F9C67A1-htm.html\" target=\"_blank\" rel=\"noreferrer noopener\">FILEDIA<\/a> to 1) and go about your business, convinced that vengeful gremlins had briefly invaded your system.<\/p>\n\n\n\n<p>Until the next day when it happens again. What\u2019s going on? More than likely, you\u2019ve used some custom tool, probably in <a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/tag\/autolisp-to-automate-your-tasks\/\" target=\"_blank\" rel=\"noreferrer noopener\">AutoLISP<\/a>, that changed the FILEDIA variable for its internal purposes but didn\u2019t reset it if you cancel the command. Or worse yet, the code is so poorly written that it just plain fails to reset it.<\/p>\n\n\n\n<p><strong><em>Note<\/em><\/strong>: Do you program in AutoLISP, but aren\u2019t sure what I\u2019m talking about? Check out this <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2023\/ENU\/?guid=GUID-027AD2E0-5AC5-48DA-B451-112B7EECE40F\" target=\"_blank\" rel=\"noreferrer noopener\">AKN entry on error handling<\/a>.<\/p>\n\n\n\n<p>Wouldn\u2019t it be great if you knew in advance that FILEDIA \u2013 or pretty much any <a href=\"https:\/\/knowledge.autodesk.com\/support\/autocad\/learn-explore\/caas\/CloudHelp\/cloudhelp\/2023\/ENU\/AutoCAD-Core\/files\/GUID-B93A458E-1A7F-4090-A8CF-87A31C24E404-htm.html\" target=\"_blank\" rel=\"noreferrer noopener\">System Variable<\/a> \u2013 got changed? It would undoubtedly help you or your CAD Manager track down the solution.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"sysvarmonitor-to-the-rescue\">SYSVARMONITOR to the Rescue<\/h2>\n\n\n\n<p>The AutoCAD <a href=\"https:\/\/knowledge.autodesk.com\/support\/autocad\/learn-explore\/caas\/CloudHelp\/cloudhelp\/2023\/ENU\/AutoCAD-Core\/files\/GUID-98A191B8-8F2C-488B-A14D-ED11B2D635DE-htm.html\" target=\"_blank\" rel=\"noreferrer noopener\">System Variable Monitor<\/a> was introduced in the 2016 release. It wasn\u2019t one of those prominent features that jumped out at you, so it may still be unknown to you. Let\u2019s take a look at it.<\/p>\n\n\n\n<p>First, it\u2019s on by default but will only appear in the <a href=\"https:\/\/knowledge.autodesk.com\/support\/autocad\/learn-explore\/caas\/CloudHelp\/cloudhelp\/2023\/ENU\/AutoCAD-Core\/files\/GUID-C5C9380F-5469-4858-B306-B1BFFC19C0A9-htm.html\" target=\"_blank\" rel=\"noreferrer noopener\">Status Bar<\/a> if a System Variable in its default \u201cwatch\u201d list changes. The <a href=\"https:\/\/knowledge.autodesk.com\/support\/autocad\/learn-explore\/caas\/CloudHelp\/cloudhelp\/2023\/ENU\/AutoCAD-Core\/files\/GUID-E2D3C5EC-19AF-4694-84B4-2A36EF6A2E3D-htm.html\" target=\"_blank\" rel=\"noreferrer noopener\">Command Line<\/a> will also provide you with a message. But\u2026 let\u2019s be honest, these notices are extremely easy to miss.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2022\/12\/15\/SYSVARMON_1.jpg\" data-lbwps-width=\"607\" data-lbwps-height=\"52\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2022\/12\/15\/SYSVARMON_1-300x26.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"607\" height=\"52\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2022\/12\/15\/SYSVARMON_1.jpg\" alt=\"System Variable Monitor icon in AutoCAD\" class=\"wp-image-13150\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2022\/12\/15\/SYSVARMON_1.jpg 607w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2022\/12\/15\/SYSVARMON_1-300x26.jpg 300w\" sizes=\"auto, (max-width: 607px) 100vw, 607px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_2.jpg\" data-lbwps-width=\"874\" data-lbwps-height=\"110\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_2-300x38.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"874\" height=\"110\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_2.jpg\" alt=\"System Variable Monitor command\" class=\"wp-image-13156\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_2.jpg 874w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_2-300x38.jpg 300w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_2-768x97.jpg 768w\" sizes=\"auto, (max-width: 874px) 100vw, 874px\" \/><\/a><\/figure>\n\n\n\n<p>So, my tip within a tip is this: Bring up the dialog box by typing in SYSVARMONITOR and checking the <em>Enable balloon notification<\/em> checkbox. (Yes, that\u2019s a lot of typing, but you really only need to go as far as SYSV \u2013 <a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/autocad-command-line-customizations-tuesday-tips-with-frank\/\" target=\"_blank\" rel=\"noreferrer noopener\">autocomplete<\/a> will take care of the rest for you).<\/p>\n\n\n\n<p>Now, when a watched variable is changed, you\u2019ll get a very obvious balloon notification. If you\u2019re going to use the SysVar Monitor, you might as well make sure you know when something changes.<\/p>\n\n\n\n<p>When a monitored System Variable changes, click on the link in the balloon notification. The dialog box appears, where you can manage the changed variable. Click on the value to change or use my preferred method of clicking on the <em>Reset All<\/em> button.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_3.gif\" data-lbwps-width=\"800\" data-lbwps-height=\"684\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_3-300x257.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"684\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_3.gif\" alt=\"System Variable Monitor gif\" class=\"wp-image-13160\" \/><\/a><\/figure>\n\n\n\n<p>As you can see, there are nine variables listed by default. They represent the usual suspects but trust this AutoLISP programmer; there are plenty of other variables that we turn on or off (and hopefully reset properly).<\/p>\n\n\n\n<p>You can change the contents of your monitored variables with the <em>Edit<\/em> button on the right side of the dialog. Feel free to scroll through the 837 entries to find the one you want. (<em>Yes, I really did count them. Three times. I got the same number twice, so I went with it.<\/em>) Or you can use the search feature as the animation below shows. When you find your variable, add it to the list! It really is just that easy.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_4.gif\" data-lbwps-width=\"720\" data-lbwps-height=\"560\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_4-300x233.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"560\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2023\/01\/03\/SYSVARMON_4.gif\" alt=\"Edit System Variable List AutoCAD\" class=\"wp-image-13163\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"some-final-thoughts\">Some Final Thoughts<\/h2>\n\n\n\n<p>Keep in mind that managing these changed variables may be just the start. You or your CAD manager will need to find and hopefully fix the culprit. Depending on the skill level and experience of this SysVar detective, the offending code could be anywhere from obvious to obscure. I\u2019ve even found that sometimes it\u2019s a third-party program that is causing the problem. You really never know.<\/p>\n\n\n\n<p>So, if you\u2019re experiencing odd changes in your AutoCAD sessions, remember that the System Variable Monitor is there to help you manage your variables and provide immediate feedback to help you find any offending code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"more-tuesday-tips\">More Tuesday Tips<\/h2>\n\n\n\n<p>Check out our whole\u00a0<a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/tag\/tuesday-tips\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tuesday Tips series<\/a>\u00a0for ideas on how to make AutoCAD work for you. Do you have any favorite AutoCAD tips? Tell us in the comments!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Let\u2019s see if this has ever happened to you. You\u2019re working along, happy as a clam, when suddenly \u2013 for no apparent reason- something doesn\u2019t work like you\u2019re used to. For example, let\u2019s say you try to open an existing drawing file and don\u2019t get the open dialog. Instead, the Command Line wants you to [&hellip;]<\/p>\n","protected":false},"author":329,"featured_media":13166,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[893],"tags":[386,878],"class_list":["post-13149","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learning","tag-autolisp","tag-system-variable-monitor","dhig-theme--light"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Discover the System Variable Monitor in AutoCAD: Tuesday Tips With Frank | AutoCAD Blog | Autodesk<\/title>\n<meta name=\"description\" content=\"Learn how to use the System Variable Monitor in AutoCAD and know when a variable has changed.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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