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Some RackAFX7 issues
July 21, 2020 - 12:37 pm
Member Since: November 25, 2016
Forum Posts: 6
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When trying to build DXSynth in RackAFX7 I am getting a couple of error messages:

First, while starting VS2019, two windows pop up:

* Empty file string found in ...RackAFXDLL.h

* Failed to find critical string <ItemDefinitionGroupCondition...


Then in VS2019, while building, I get these compiler errors:

'bEnableParamSmoothing': is not a member of 'CUICtrl'

'fSmoothingTimeInMs': is not a member of 'CUICtrl'

'fJoystickValue': is not a member of 'CUICtrl'

'bKorgVectorJoystickOrientation': is not a member of 'CUICtrl'

'numAddtlParams': undeclared identifier


Finally, RackAFX7 cannot connect to the internet to check for updates, even after I've added the App to the Windows Defender Firewall list of Apps  (Windows10)...

Hints are welcome!

Thanks, Stef

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July 29, 2020 - 3:59 pm
Member Since: July 29, 2020
Forum Posts: 2
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I got the same exact thing because my feeling is they did something sloppy transitioning from Version 6.xx to Version 7.xx RackAFX, with the files already converted and they did not  bother to try to go through a conversion from scratch...The short answer is to actually use Version 6.xx RackAFX and get the project working and upgrade it to RackAFX7 afterwords which is lazy, sloppy and counter-intuitive. But at least that extra mumbo-jumbo will disappear, which I know it had to do with clicking, pops and other audio disturbances when jumps occur into the synthesized audio stream a feature he called parameter smoothing...I know Will wrote an article about that...Each independent parameter can be independently set also with parameter smoothing...Why he enables all the controls by default must be a bug and a glitch because RackAFX7 does not seem to include those parameters by default into your code...So something is definitely in error there...I actually entered the code manually but RackAFX7 removes it later by overwriting your files which creates a synchronization HELL scenario...Another thing I found that is weird is that the MIDI does not trigger in the latest incarnations of RackAFX7! I wrote a note about that to Will but sadly...Crickets! I may try to verify it in a Virtual Machine because it is slightly broken on my Win 10 environment and there is no rational explanation I can find for that, even if ran in compatibility modes...Cry

October 21, 2020 - 10:48 am
Member Since: January 29, 2017
Forum Posts: 689
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Please see the response I wrote to you on your MIDI thread and the synth book projects. 

I'm not sure who you are talking about with the "sloppy conversion" to RAFX7. It was built from scratch, from the ground up, with no intention of being backwards compatible with RackAFX6. Progress requires moving forward. 

"upgrade it to RackAFX7 afterwords which is lazy, sloppy and counter-intuitive"

Again, it was never meant to be backwards compatible, or easy to convert to RackAFX7. 

You can find a video here regarding the RackAFX philosophy and transition to ASPiK support here:



August 4, 2021 - 10:38 am
Member Since: February 25, 2020
Forum Posts: 9
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I found a new problem with RackAFX When I add a control (knob) to the project, and I build the project, the complier generates a warning "The process tried to write to a nonexistent pipe" (Visual Studio Community version 16.10.4).  What is causing this?

August 5, 2021 - 11:24 am
Member Since: January 29, 2017
Forum Posts: 689
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I am not able to replicate it using either or the latest 

The only thing I could find on the interweb was stuff involving SSH/Git and source control. I have source control disabled in VS2019 because it slows down the compiler significantly, and I do all my ASPiK-Git stuff through the command prompt (I do use Fork.exe for massive projects that I work on). 

So, I think this is benign and you can safely ignore it. 


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