Add the 'Content-Disposition: Attachment' header. When a GET response contains this header, Internet Explorer prompts the user to open or save the download. If the user chooses to open the download, the file opens from the Internet Explorer Temporary File cache read-only. The user may choose to modify and save the file locally.
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When I try to open a dwg file from the explorer (either by double clicking or using the 'open with autocad' method) autocad will start up but instead of opening the drawing I clicked on it will just open the default Drawing1 file. This only seems to happen when SDI=1 but I need to have that setting on to allow multiple instances. If I already have a drawing open and I try to open another dwg file from the explorer, nothing happens.I can open a file by opening multiple instances of autocad individually and then using fileopen within each program but this is very tedious and not a long term fix.I just upgraded from 2012 to 2019 and this was never a problem before.
Anyone encounter this before or know what is going wrong? I just upgrade to Autocad 2019 and I have always been using SDI=1 becos we use multiple screens (as in the hardware, we literally have 2 screens on our desk) here.To think that Autocad 2019 does NOT allow that to happen. So we have to manually open Autocad for every individual drawing interface.
We are also not able to open drawings directly from File Explorer. Meaning, we have to open dwg. File from within the Autocad program itself.I hope someone replies to your thread with a solution. This has been pretty inconvenient. I use SDI=1 mode for work so I need to have that variable on.
Turning it off isn't an option for what I'm trying to do. So keeping in mind that everything I'm describing specifically happens when SDI=1. When SDI=0 none of these problems exist.In previous versions of autocad I would open a file as follows:1) Navigate to the file location in on my computer/server or wherever it might be.2) Double click on the file.In autocad 2019 if I take those steps one of two things happens. If I don't already have an instance of autocad running, double clicking on a specific.dwg causes autocad to open but default to Drawing1 without actually opening the.dwg file I click on.
I have read his reply and I'm not convinced. For one thing 'working as intended' seems like a bad way to put it. They might be aware of it and not care enough about SDI mode to try to fix it but it makes no sense for such a ubiquitous feature across literally every computer program to be intentionally disabled.Also the fact that he says ' So while you can still set SDI=1, you will find in current product that it will only open one AutoCAD session at a time.' Makes me skeptical he completely understands the problem.
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You absolutely can open multiple AutoCAD sessions at a time. I contacted Autodesk directly. I was told to install the update for Autocad 2019:With regards to SDI=1, this is their reply:Thank you for choosing Autodesk Support. I'm from Autodesk support team.I will be assisting you with your issue.Here is the recommended resolution to your case:Unfortunately, SDI will not work with AutoCAD 2019, this is as designed. You need to open multiple instances of AutoCAD from start menu.Or, choose 2018 version.I guess they won't be reinstating it, so I guess we have to break our routine and work with SDI=0 or MDI instead. I chose that now and manually open another Autocad program for another window.
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March 2023
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