Compiler Warning (level 3) CS1700


Updated: July 20, 2015

For the latest documentation on Visual Studio 2017 RC, see Visual Studio 2017 RC Documentation.

Assembly reference Assembly Name is invalid and cannot be resolved

This warning indicates that an attribute, such as InternalsVisibleToAttribute, was not specified correctly.

For more information, see Friend Assemblies.

The following sample generates CS1700.

// CS1700.cs  
// compile with: /target:library  
using System.Runtime.CompilerServices;  
[assembly:InternalsVisibleTo("app2, Retargetable=f")]   // CS1700  
[assembly:InternalsVisibleTo("app2")]   // OK