Public Overloads Sub GetRangeA1Async( _
   ByVal sessionId As String, _
   ByVal sheetName As String, _
   ByVal rangeName As String, _
   ByVal formatted As Boolean, _
   ByVal userState As Object _
) 

Dim instance As ExcelService
Dim sessionId As String
Dim sheetName As String
Dim rangeName As String
Dim formatted As Boolean
Dim userState As Object
 
instance.GetRangeA1Async(sessionId, sheetName, rangeName, formatted, userState)

public void GetRangeA1Async( 
   string sessionId,
   string sheetName,
   string rangeName,
   bool formatted,
   object userState
)