I'm attempting to collect data using a gpib-usb interface and display the data in an Excel Spreadsheet using Visual Basic for Applications and NI 488.2 ver 3.1.2 software in Windows 7 64 bit. The macros in the spreadsheet worked fine using the gpib-32.dll in Windows XP, but not in 64 bit Windows. Switching to the ni4882.dll caused the subject error after having added PtrSafe to all of the Declare statements. I'm not an expert programmer, but I'm hoping there is an easy fix.
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