Public Function BeginGetDataSourceInfo( _
   ByVal dataSourceNames() As String, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As CommonService
Dim dataSourceNames() As String
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginGetDataSourceInfo(dataSourceNames, callback, asyncState)

public IAsyncResult BeginGetDataSourceInfo( 
   string[] dataSourceNames,
   AsyncCallback callback,
   object asyncState
)