public static UsingDeclaration add_Using(this CompilationUnit compilationUnit, string @namespace)
{
@namespace = @namespace.remove(";").trim();
var currentUsingDeclaration = compilationUnit.@using(@namespace);
if (currentUsingDeclaration != null)
{
// these UsingDeclaration & Using classes are a bit of a mess (need to normalize this later)
return(new UsingDeclaration(currentUsingDeclaration.wrapOnList()));
}
var newUsing = new UsingDeclaration(@namespace);
compilationUnit.insert(newUsing);
return(newUsing);
}