From the history of Squeak and Pharo you can:
� 1. Squeak.exe (VM for Windows) was always able to set this using
� � �the Setting "WindowTitle" in Pharo.ini - see
� � �http://squeakvm.org/win32/settings.html
� � �This was implemented by Andreas Raab (maintainer of SqueakVM)
� 2. Later there was the idea in Squeak for a project
� � �called "Areithfa Ffenestri" that should add more
� � �support code to Squeak to allow access to the
� � �native window or open new ones:
� � � �http://wiki.squeak.org/squeak/3862
� � �This is a VM plugin that is not in all VM's and even after
� � �years AFAIK not fully implemented on all platforms.
� � �If it is available then you can do what Bert Freudenberg
� � �suggested here:
� � �http://lists.squeakfoundation.org/pipermail/squeak-dev/2013-January/167766.html
� � �Dont know if the Pharo VM maintainers added this plugin
� � �too. You have to ask Igor or Esteban.
� 3. While Squeak tries to stay platform independent and
� � �encapsulate platform dependent logic mostly into VM plugins
� � �to unify the access �there is some other idea in Pharo now:
� � �With the growing need to easily access platform logic
� � �of the underlying OS or access external libraries written in
� � �other languages there is a new FFI plugin which is
� � �(since Pharo 2.0) will be included in the standard distribution.
� � �This new Foreign Function Interface (FFI) is called
� � �NativeBoost and will move more logic into Smalltalk
� � �itself. So you dont have to write/compile a plugin.
� � �You just need a VM with NativeBoost support (NBCog.exe on Windows)
� � �Using native Boost (when in Pharo 2.0) you can (already!)
� � �write:
� � � �NBWin32Window getFocus setWindowText: 'Hello using Native Boost'
� � �to change the window title. Internally I just call the
� � �Windows Win32-API function "SetWindowTextA" using the
� � �window handle.
� � �If someone from other platforms implements an NBUnixWindow,
� � �NBMacWindow, NBRiscOSWindow, ... we can also implement a
� � �common interface class (NBPharoWindow for example).
Hope this helps a little bit