Im guessing you are using Visual Studio and have created a project.
What I did to fix .dll issues i put all .dll’s I found for Astra within the project folder, next to my main.cpp file to make sure it found them without any issues.
Also before coding I recommend using the OpenNI2\Tools\NiViewer.exe to make sure the camera is detected and you are able to view what the camera is viewing.
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