I would like to theme an application that uses the mono framework. I have tried various GTK2/3 "solutions" but these haven't changed anything.
just two examples I've tried:
env GTK_THEME="HighContrast" mono /path-to-app.exe
GTK2_RC_FILES=/usr/share/themes/HighContrast/gtk-2.0/gtkrc mono /path/to/app.exe
In both scenarios, the app just opens as normal without change.