public IAsyncResult BeginSetExecutionCredentials(ExecutionHeader ExecutionHeader, TrustedUserHeader TrustedUserHeader, DataSourceCredentials[] Credentials, AsyncCallback callback, object asyncState)

Public Function BeginSetExecutionCredentials(ExecutionHeader As ExecutionHeader, TrustedUserHeader As TrustedUserHeader, Credentials As DataSourceCredentials(), callback As AsyncCallback, asyncState As Object) As IAsyncResult