Warning
gtk_hbutton_box_get_spacing_default is deprecated and should not be used in newly-written code.
Retrieves the current default spacing for horizontal button boxes. This is the number of pixels
to be placed between the buttons when they are arranged.
Warning gtk_hbutton_box_get_spacing_default is deprecated and should not be used in newly-written code. Retrieves the current default spacing for horizontal button boxes. This is the number of pixels to be placed between the buttons when they are arranged.