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Problem using C++ DLL functions in C# code 

[DllImport(pathimportdll)]
static extern int InitiateSession(ref _SESSION_INFO sinfo, ref _DEVICE_INFO pDevInfo);

[DllImport(pathimportdll)]
static extern int StartAcquisition();

DLL functions are imported properly. After the call, application is asserting in tcscpy.inl with the message Expression: (L"Buffer is too small" && 0).

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