Prebuilt sets of buttons for the dialog. If none of these choices are appropriate, simply use %GTK_BUTTONS_NONE then call gtk_dialog_add_buttons().
Please note that %GTK_BUTTONS_OK, %GTK_BUTTONS_YES_NO and %GTK_BUTTONS_OK_CANCEL are discouraged by the GNOME Human Interface Guidelines.
a Cancel button
a Close button
no buttons at all
an OK button
OK and Cancel buttons
Yes and No buttons
Prebuilt sets of buttons for the dialog. If none of these choices are appropriate, simply use %GTK_BUTTONS_NONE then call gtk_dialog_add_buttons().