ミスった>>135はなし
モジュール：SheetParameterFactory
'シートパラメタエンティティ作成クラス
Public Function makeSheetParameter(ByVal targetSheet As Worksheet) As ISheetParameterEntity
Dim instance As ISheetParameterEntity
Select Case targetSheet.Name
Case Sheet2.Name
Dim sht2Para As Sheet2ParameterEntity
Set sht2Para = New Sheet2ParameterEntity
Set instance = sht2Para
Case Sheet3.Name
Dim sht3Para As Sheet3ParameterEntity
Set sht3Para = New Sheet3ParameterEntity
Set instance = sht3Para
Case Else
Set instance = Nothing
End Select
Set makeSheetParameter = instance
End Function