By record a macro, with selection throug keyboard and not mouse, I have success
The solutons be this code
rem ----------------------------------------------------------------------
rem define variables
dim document as object
dim dispatcher as object
rem ----------------------------------------------------------------------
rem get access to the document
document = ThisComponent.CurrentController.Frame
dispatcher = createUnoService("com.sun.star.frame.DispatchHelper")
rem ----------------------------------------------------------------------
dispatcher.executeDispatch(document, ".uno:GoToEndOfLine", "", 0, Array())
rem ----------------------------------------------------------------------
dispatcher.executeDispatch(document, ".uno:StartOfLineSel", "", 0, Array())
rem All Caps