Oracle10g :: Using Dbms_output.get_line?

I have some stored procedures to execute that use dbms_output.put_line() to put data into the output buffer.I know I need to use dbms_output.get_line(:line, :status) to retrieve that output.I'm using ystem.Data.OracleClient to avoid headaches with Oracle deployment.So what am I doing wrong with the code below?

Dim cmdSproc As OracleCommand = cnOracle.CreateCommand()
Dim strOracle As New OracleString()
Dim opaLine As New OracleParameter("lineOut", OracleType.VarChar, 255)

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