func (b *Button) AddBkImage(nState xc.Button_state_, hImage xc.HIMAGE) { xc.XBtnAddBkImage(b.hEle, nState, hImage) }
func (b *Button) AddBkImage(nState xc.BUTTON_STATE_, hImage xc.HIMAGE) { xc.XBtnAddBkImage(b.hEle, nState, hImage) }