strange event in C# serial communication

[prafiee]

Dear everybody
There is a weired problem while working with C# serial port.
I have a packet of data included 6 bytes transmitted throughout C# Serial port.
when transmitted byte is "0D", then C# automatically sends both 0D and 0A which is ascii code for ENTER character. I don't understand why C# compiler automatically recognizes 0D as a ascii Enter character and send its ascii code.
can anybody help me in order to resolve this problem.
Best regards.
P. Rafiee

 

[ama_trig]

How do you interface, handel serial port and send data, did you mean visual studio c#, using System.IO.Ports ?

 

[prafiee]

Yes. I use visual C# system.IO.Ports. It is obvious that after 0x0D quickly one 0x0A will be transmitted. I increased delay between sending each byte about 2 second. then it can be seen that duration between all byte is 2 second except for 0x0D which after that 0x0A is transmitted with out any delay.