19.1 Microsoft Windows-specific issues
19.1.1 Using Windows themes
On Microsoft Windows Vista, Windows 7, Windows 8 and Windows 10 LispWorks is
. That is, it uses the current theme of the desktop.
It is possible to switch this off by calling the function
win32:set-application-themed with argument
win32:set-application-themed affects only windows that are created after it was called. Normally, it should be called before any window is created, so that all LispWorks windows will have a consistent appearance.
19.1.2 The break gesture
If a CAPI/Windows window is busy and unresponsive you can use the break gesture
Ctrl+Break to regain control.
CAPI User Guide and Reference Manual (Macintosh version) - 3 Aug 2017