How to create CodeFunction2 with IEnumerable<> Type?

Question

I really need to create something like the following, I am building 2 classes, the first is a class with the name of tableNameAsSingular (i.e AddressEntity) , in my second worker class I need to having something like the following

public IEnumerable<AddressEntity> GetAddressEntity()
{
 // the good stuff...
}

When creating the Function I have the following..

Type t = Type.GetType("IEnumerable<" + tableNameAsSingular + ">");
CodeFunction2 finderFunction = (CodeFunction2)entityServiceClass.AddFunction("Get" + table.Name, vsCMFunction.vsCMFunctionFunction, t, -1, vsCMAccess.vsCMAccessPublic, null);

but t is always null

When I do Type.GetType(tableNameAsSingular) it returns null too

Any help or pointers would be greatfully received. Also if anyone knows where a plethora of EnvDTE code generation knowledge lives I would be sooo greatful!

---

Update

I have now tried it just as a string using the following:

   public void AddFinderMethod()
    {
        string t = "IEnumerable<" + tableNameAsSingular + ">";
        CodeFunction2 finderFunction = (CodeFunction2)entityServiceClass.AddFunction("Get" + table.Name, vsCMFunction.vsCMFunctionFunction, t, -1, vsCMAccess.vsCMAccessPublic, null);
        // Code here remove as it does not get this far yet.
    }

but I get "IEnumerable<ProductEntity> is not a valid identifier" error message in the AddFunction Method

Answer 1

have managed to get it working with the following:

string returnType = "System.Collections.Generic.IEnumerable<" + tableNameAsSingular + ">"; 
CodeFunction2 finderFunction = (CodeFunction2)entityServiceClass.AddFunction("Get" + table.Name, vsCMFunction.vsCMFunctionFunction, returnType, -1, vsCMAccess.vsCMAccessPublic, null);

Answer 2

The syntax IEnumerable<T> is C# syntax, not .NET syntax (which uses back-ticks, counters, etc). What you mean is:

Type tableType = Type.GetType(assemblyQualifiedNameToEntity);
Type enumerableType = typeof(IEnumerable<T>).MakeGenericType(tableType);

Note that Assembly.GetType is usually a better choice, as you can just use namespace-qualified names:

Assembly asm = typeof(SomeKnownType).Assembly;
Type tableType = asm.GetType(namespaceQualifiedNameToEntity);