Why can't my C++ code see this C# class member?

Question

I have several custom classes in a C# project that I then reference in a C++ project. The C# code looks something like this

namespace AllOptions { public class AllOptions { public AlgorithmOptions algOptions{ get; set; } public DatabaseOptions dataOptions{ get; set; } } public class AlgorithmOptions { List<Algorithm> algorithms { get; set; } public void SetDefaults(){ this.algorithms.Clear(); } } public class Algorithm { public bool AllowSalt { get; set; } } public class DatabaseOptions { public List<string> databaseSrouces { get; set; } } }

And then from C++ I am trying to access the various parts of the AllOptions but not all of them are coming through.

//Is declared at the beginning public: VerifyOptions::VerifyOptions Options; //Then later on I try to access the database options and algorithm options this->Options.databaseOptions->databaseSources = someStringList; //works fine //This cannot find the algorithm list this->Options.algorithmOptions->algorithms = someAlgorithmList; //does not work

The algorithms says "Class AllOptions::AlgorithmOptions has no member algorithms". Why can't the C++ code see this particular C# member?

EDIT My question was tagged as a possible duplicate to this Default access modifier in C# question. However I believe these to be different questions that happened to result in the same answer. If I am wrong in thinking that please tag it again and I will change it.

Maybe you have a typo somewhere. You do have mismatching databaseSrouces and databaseSources in the C# and C++ code respectively. — NathanOliver
– NathanOliver, Commented Nov 2, 2016 at 15:34
@NathanOliver, That unfortunately is just my poor typing on here, in code all the data types match up — WWZee
– WWZee, Commented Nov 2, 2016 at 15:36
Can you please use the right tag. You have both c# and c++. — Andrew Truckle
– Andrew Truckle, Commented Nov 2, 2016 at 15:38
Oops - I misread the first sentence - you are using both languages. Me bad! — Andrew Truckle
– Andrew Truckle, Commented Nov 2, 2016 at 15:41

Luaan · Accepted Answer · 2016-11-02 15:35:04Z

7

AlgorithmOptions.algorithms is a private member. Only the containing class can access its private members. In contrast, DatabaseOptions.databaseSources is a public member, and you can access it from anywhere.

answered Nov 2, 2016 at 15:35

Luaan

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1 Comment

WWZee Over a year ago

I feel foolish, I had forgotten the standard protection level was private and that is indeed my error. Thank you for the quick reply

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