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Issue 18.1 ('SceneKit')
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Upgrading to 64-bit

Getting your Xojo projects to work under Catalina can be tricky

Issue: 18.1 (January/February 2020)
Author: Marc Zeedar
Author Bio: Marc taught himself programming in high school when he bought his first computer but had no money for software. He's had fun learning ever since.
Article Description: No description available.
Article Length (in bytes): 16,892
Starting Page Number: 64
Article Number: 18107
Related Link(s): None

Excerpt of article text...

Recently I upgraded my main Mac to Catalina—MacOS 10.15 (see Figure 1). I did so knowing that I'd lose access to all my 32-bit apps as the new OS no longer supports those. I wasn't too worried—I have a backup 2015 laptop I can use for those in a pinch.

Making me even more confident: the vast majority of my 32-bit apps were little programs I wrote myself in Xojo. I could just open those up and recompile them as 64-bit. Easy!

Not so easy.

I quickly discovered several complications that made the process more difficult than I expected. The first was my own fault.

Old Projects In New Xojo

If you know me, you know how much I love using XojoScripts. I've written many utilities that allow me to do things via external scripts. One advantage of this is I can tweak the programs without having to recompile them. But a disadvantage of that is that once I get a program running, I can go years without opening it up in Xojo.

...End of Excerpt. Please purchase the magazine to read the full article.