Gets the widget that is currenty set as the image of button. This may have been explicitly set by gtk_button_set_image() or constructed by gtk_button_new_from_stock(). Since 2.6
a GtkWidget or NULL in case there is no image. [transfer none]
See Implementation
Gets the widget that is currenty set as the image of button. This may have been explicitly set by gtk_button_set_image() or constructed by gtk_button_new_from_stock(). Since 2.6