Send command to the Serial Port

Hello everyone.

How to convert this commands lines:

// This line is part of my Sealed class CommPort
string s_ID0x="ID01";
CommPort com=CommPort.Instance;

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To This:

// This only a sample.
// I need send ID01 to the Serial Port 
byte[] buf5=new byte[] { 5 };
comSerialPort.WriteLine("30"); // ID01

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Thanks in advance, ocaccy.
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ocaccyAuthor Commented:
I saw now!

Thank you.
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