Enterprise Library data block and return values

I've seen various posts discussing how to get return values from calls via the Enterprise Library data block, but many seemed convoluted. I didn't need multiple output parameters, just the one integer. Here's what I did to capture the return value from a stored procedure call:

Within the stored procedure

CREATE PROCEDURE [dbo].[GetReturnValue]
AS
RETURN 1

Enterprise Library call

Database db = DatabaseFactory.CreateDatabase();
DbCommand cmd = db.GetStoredProcCommand("dbo.GetReturnValue");
db.AddParameter(cmd, "return_value", DbType.Int32, ParameterDirection.ReturnValue, null, DataRowVersion.Default, null);

db.ExecuteNonQuery(cmd);

int myReturnValue = Convert.ToInt32(db.GetParameterValue(cmd, "return_value"));

HTH.