Oracle Form Build-in(HIDE_VIEW SHOW_VIEW SET_WINDOW_PROPERTY )

HIDE_VIEW Built-in
Description
Hides the indicated canvas.
Syntax
 PROCEDURE HIDE_VIEW
(view_id ViewPort);
PROCEDURE HIDE_VIEW
(view_name VARCHAR2);

SHOW_VIEW Built-in
Description
Displays the indicated canvas at the coordinates specified by the canvas's X Position and Y Position property settings. If the view is already displayed, SHOW_VIEW raises it in front of any other views in the same window.
Syntax
SHOW_VIEW
(view_id ViewPort);
SHOW_VIEW
(view_name VARCHAR2);

SET_WINDOW_PROPERTY Built-in
Description
Sets a property for the indicated window.
Syntax
SET_WINDOW_PROPERTY
(window_id Window,
property NUMBER,
value VARCHAR2);

SET_WINDOW_PROPERTY
(window_id Window,
property NUMBER,
x NUMBER);

SET_WINDOW_PROPERTY
(window_id Window,
property NUMBER,
x NUMBER,
y NUMBER);

SET_WINDOW_PROPERTY
(window_name VARCHAR2,
property NUMBER,
value VARCHAR2);

SET_WINDOW_PROPERTY
(window_name VARCHAR2,
property NUMBER,
x NUMBER);

SET_WINDOW_PROPERTY
(window_name VARCHAR2,
property NUMBER,
x NUMBER,
y NUMBER);