NGWS SDK Documentation  

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Compiler Error C3129

The compiler cannot automatically generate a '%$M' method if there is no storage specified

Within a class or struct the compiler cannot automatically generate any method implementations if no storage is specified. For example:

#pragma keyword("interface", on)
#pragma warning(disable:4199)

class CX10 {
public:
   [ property(storage_name=0) ]   // specified no automatic storage
   int Size;
};

See Also

property attribute