gtk-window-mnemonic-modifier (window)

window -- a gtk-window widget
modifier -- the gdk-modifier-type modifier mask used to activate mnemonics on window

Accessor of the modifier mask used to activate mnemonics on the window.

The gtk-window-mnemonic-modifier function returns the mnemonic modifier for the window. The (setf gtk-window-mnemonic-modifier) function sets the mnemonic modifier.