Access to the file refused to C++

Sorry, this is my first time posting and I don't know what advice this should go.

I'm developing an application C++ (MSVC) who reads PDM data and uses the nilibddc.lib to read the independent data.  I'm running into a problem if more than one copy of my application is running and try to access the same data file, I get the message "File Access Denied", I guess because the file is not open in read-only mode.

Is it possible to specify that the file should be opened read-only so that multiple applications can access the file at the same time?

I am currently using the DDC_OpenFile () function.

Thank you

Ed Thomson

The DDC_OpenFileEx method allow you to specify the readonly option.

Tags: NI Software

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