When troubleshooting, pay attention to these frequent return codes: : Success. -15 (EW_NODLL) : DLL file not found in the path. -16 (EW_SOCKET) : Cannot connect to the specified IP or port. 1 (EW_FUNC) : The requested function is not supported by the CNC. 4. Advanced Resources GitHub Projects : Community-driven wrappers like DGN-Monitor can simplify the setup by providing pre-defined structures. Documentation
# Get current program number prog_num = ctypes.c_ulong() ret = focas.cnc_rdprgnum(handle, ctypes.byref(prog_num))