printBuffer method
void
printBuffer()
Implementation
void printBuffer() {
//if output stream 3 is active then we don't print,
//Just preserve the buffer until the stream is de-selected.
if (!engine.outputStream3) {
sendIO({
"command": ioCommands.print,
"window": engine.currentWindow,
"buffer": sbuff.toString()
}).then((_) {
sbuff.clear();
});
}
}