internal QueryResult(NetworkOperations.StringItem item, NetworkStream inputStream, NetworkStream outputStream)
{
this.inputStream = inputStream;
this.outputStream = outputStream;
text = item.Item;
hasNextItem = item.HasNextItem;
}
/// <summary>
/// Retrieves the next part of the result.
/// </summary>
/// <returns></returns>
public string Next()
{
if (!hasNextItem)
{
return(null);
}
NetworkOperations.Message msg = new NetworkOperations.Message();
msg.Instruction = InstructionCode.GetNextItem;
NetworkOperations.WriteMessage(msg, outputStream);
NetworkOperations.StringItem item = NetworkOperations.ReadStringItem(inputStream);
if (item.Item == null)
{
hasNextItem = false;
return(null);
}
else
{
text += item.Item;
return(item.Item);
}
}