how i c# progression methods vb code

i have category library progression methods combined c# an aged website combined vb.

i wish progression methods vb formula nonetheless don't seem intelisense i accumulate errors i revisit site.

i have got mandatory imports since classes contained same namespaces appearing glorious intelisense.

any suggestions

edit: some-more info assistance comments.

my doing looks

//c# formula collected dll
namespace x.y {
    open stationary category z {
        open stationary twine q (this twine s){
             relapse s + " " + s;
        }

    }
}

and use

imports x.y

'...'
dim r twine = "greg"
dim s twine = r.q() ' does arrangement intelisense
                        ' throws blunder : compiler blunder message: bc30203: identifier expected.