SendLine Method
Sends a string followed by a newline.
Syntax
int SendLine(const QString& qsText);
Remarks
This method sends a string followed by a newline. This method is used for sending data with line-oriented protocols. The line is followed by CRLF ("\r\n") .
Please refer to the GetLine method and SingleLineMode property for more information.
Error Handling
This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)