I am currently on AutoCAD 2021 and so using VS 2019 and ObjectARX 2021 with no issues. A week ago I was told my app does not work on AutoCAD 2018. As I am new to ObjectARX, I did my research and realized I have to use VS 2015 and ObjectARX 2018 to compile my application. I have spent last whole week trying to get VS 2015 installed and faced several issues. The errors started as shown in this attachment that a package is missing
Reading online at this link and several similar ones, I performed the necessary cleanup and finally got VS 2015 installed. Then installed ObjectARX 2018 wizards and started a new project and without making any changes tried to compile to make sure everything was setup correctly. But I get the below error
The funny thing is VS 2019 works just fine and my application compiles with no errors and runs great in ACAD 2021. It is just that VS 2015 for some reason looking for this ctype.h file that I am not sure where to find.
Any help or guidance on how to get VS 2015 working? Thanks for your help in advance.
