property type

(r/w) string type;

Typ

Zugriff

This property contains the mime type of the attached stream. 
var fileStreamObj = shell.serviceManager.basics.fileStream;
var streamWriterObj = shell.serviceManager.basics.rawStreamWriter;

fileStreamObj.openForWrite("c:\\temp\\test.txt", false, true);
streamWriterObj.stream = fileStreamObj;
streamWriterObj.seekRelative(4);
streamWriterObj.writeDouble(20.5);

var type =  streamWriterObj.type

fileStreamObj.close();