    class
    	WEL_WINDOW_POSITION_MESSAGE

    General
    	cluster: wel
    	description: "Information about message Wm_windowposchanged, Wm_windowposchanging. These messages are sent to a window whose size, position, or place in the Z order has changed."
    	create: make

    Ancestors
    	WEL_MESSAGE_INFORMATION

    Queries
    	l_param: POINTER
    	message: INTEGER_32
    	position: WEL_WINDOW_POS
    	w_param: POINTER
    	window: WEL_WINDOW

    Commands
    	make (a_window: WEL_WINDOW; a_message: INTEGER_32; a_w_param, a_l_param: POINTER)