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Mercy! So you are trying to use click and drag capabilities of Forms to play with shapes???
Unfortunately, Forms is not a particularly good tool for that. Forms is better designed to interface with an Oracle database to view and update data stored in the database. And furthermore, v 4.5 of Forms is Oooooolllld! Supported version is Forms 11. The click-and-drag capabilities of the runtime forms were dropped when Forms migrated to a web-based tool. To facilitate that now, you would need a java interface.
Hi, unforunately the company I work for do not upgrade systems it would seem. The system is an old VAX running Oracle 7, the users interface to this is that old version of forms. I have successfully create one drag and drop interface for our users to make changes to the database however this one has different specification and in order for it to work I need to be able to place one display item on top of another. I have worked out how to do this and it works in a fashion however when dragged on top of the other display item it then disappears behind it. I need to bring it to the front at runtime... Any ideas?
I hope your PC doesn't fail. You might have trouble installing Forms 4.5 on Windows 7 or 8 platforms.
If I recall correctly, the only way to really ensure an item displays on top of all the others is to put it on its own stacked canvas with the same dimensions as the item. You can move the entire canvas around rather than the item, and if focus is ON the item (using go_item, for example), then that item will be on top of all others.
As soon as another item receives focus that is behind the canvas, the canvas will disappear.