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When using multiple simultaneous BricsCAD installations, you must run the desired version at least one time 'as Administrator' so it can update the global COM registration. Try running your 64-bit BricsCAD "as Administrator", then COM should work correctly in the 64 bit BricsCAD (but start to fail in the 32-bit BricsCAD).
I am trying to create a serial port object.
(VLAX-CREATE-OBJECT "MSCommLib.MSComm"), from the Microsoft Comm control 6.0 (MSCOMM32.OCX) library will not create an object on the 64 bit version. The 32 bit BricsCAD does create an object on the exact same machine.
For the moment, I have my fix (use 32 bit). I was just wondering if it was a bug.
Thank you for the suggestion. I will test.
Sorry, I assumed you were having trouble with a BricsCAD COM type. With the MS common controls library, it's the same problem, but it must be solved by installing and registering a 64-bit common controls COM library (and I have no idea whether one exists, sorry).