Oracle Form Build-in(HIDE_VIEW SHOW_VIEW SET_WINDOW_PROPERTY )

最新推荐文章于 2021-04-06 00:16:30 发布

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最新推荐文章于 2021-04-06 00:16:30 发布

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原文链接：http://www.cnblogs.com/djjddjdj/p/10082567.html

本文介绍了一组用于图形界面操作的内置API，包括隐藏和显示画布的HIDE_VIEW与SHOW_VIEW，以及设置窗口属性的SET_WINDOW_PROPERTY。这些API允许开发者通过指定的视图ID或名称来控制画布的可见性，并能设定窗口的各种属性。

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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);