Returns whether an embedded underline in the expander label indicates a mnemonic. See gtk_expander_set_use_underline().
Return: %TRUE if an embedded underline in the expander label indicates the mnemonic accelerator keys
2.4
See Implementation
Returns whether an embedded underline in the expander label indicates a mnemonic. See gtk_expander_set_use_underline().
Return: %TRUE if an embedded underline in the expander label indicates the mnemonic accelerator keys