rharding

QUOTE (Michael_Aivaliotis @ Oct 13 2007, 03:31 PM) Hello there, thanks for the invite from WA state, i work for major cellphone provider where i design / build test automation for them as contractor. i am building automated test application using labview together with c# and calling other external windows processes using System.Diagnostics.Process and System.Diagnostics.ProcessStartInfo classes. i last worked with labview v4.1 in 1994! i'm building my c#.net code into the dll and push it over to the labview machine to run there. specific question: i am using an airpcap packet sniffer where my c# app uses the airpcap.dll unmanaged driver to build the dllimport primarily for automated control of changing wifi sniffing channels from labview. although the data marshalling looks correct, i'm having problems with error code number 1172; System.AccessViolationException; attempted to read/write protected memory. this must be one of those times since i am accessing an unmanaged driver, i must reserve memory for the variables in c#. i recall in the msdn pages they had quick reference table that maps the parameter mapping for you as i have worked with dllimport when i needed to. any suggestions would be appreciated. have a good day.