Looks like your Imports Statement is within your Class scope; try declaring your Imports Statements, then your application's Namespace, and then define your Class(es):
Code:
Imports Autodesk.AutoCAD.ApplicationServices
Imports Autodesk.AutoCAD.DatabaseServices
Imports Autodesk.AutoCAD.Geometry
Imports Autodesk.AutoCAD.EditorInput
Imports Autodesk.AutoCAD.Runtime
Namespace FOO
Public Class BAR
'' <-- Your code here
End Class
End Namespace
[Edit] - You can declare fully qualified Namespaces within your Class, Method(s), etc but that does not require an Imports statement; just declare the fully qualified Namespace in your call.