GUI ScreenIO for
Windows|
GUI ScreenIO for
Windows |
GUI ScreenIO applications are designed around panels; a panel represents a single screen definition (or, in the case of property sheets and wizards, a single logical screen definition).
GUI ScreenIO is document-centric; each of your panels is stored as a standard COBOL copybook. Everything needed to edit or to run the panel is contained within the copybook.
The panel editor directly edits the panel copybook.
You should never modify the panel copybook using a text editor; always use the GUI ScreenIO panel editor. If you attempt to modify the copybook with a standard text editor you may corrupt the panel copybook.
| Panel Type | Description |
| Main/Container | The first panel that you display in your application must be a main panel. This panel copybook provides initialization settings to GUI ScreenIO and serves as a container for base panels. |
| Base | A panel that occupies the entire client area
of the container. Only one base panel may be displayed at a time; if
you display a different one, it simply replaces the one currently
displayed. All base panels reserve space for the menu even if you
don't use the menu.
Most applications would consist predominantly of base panels. |
| Popup | A panel that appears to be in front of, or on top of, other panels. A popup is not restricted to the bounds of your container and may be dragged anywhere on the screen. Popups may have an optional menu area. |
| Property Sheet | A panel that is composed of two or more pages;
you move from one page to another by clicking the tab of the desired
page. Property sheets do not support Main Menus, but do
support blind menus.
GUI ScreenIO treats a property sheet as a regular panel; it handles all navigation from page-to-page automatically. |
| Wizard | A special case of property sheet that presents pages sequentially instead of allowing the user to select a page at will. |
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