Hi :
Our framework using QT 5.9.6 and calling dynamic library build by VS2019. In our dynamic library, we use visa64.dll provided by nivisa to communcate with instrument.
In this QT-> VS2019 DLL -> visa64.dll flow, I face viopen failed, error code is :
State:(BFFF0011), Description: Insufficient location information or the device or resource is not present in the system
But while I build a test program with VS2019 framework -> VS2019 DLL -> visa64.dll flow. I could communcate with instrument successfully.
I cant figure out what make this difference, it's also weird that I could run QT flow with R&S visa envirment.
Could anyone give me some clue about this situation? Stuck in this issue for months.