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Component panel
Description
A Panel is the simplest and most general component that can
contain field components. You might want
to use a panel only within a program that evaluates
field values before the panel is displayed.
Tutorial
Panel is the base class of all components that can contain
field components. A panel provides the basic functionality
to communicate with the field components. The ff attribute
and the value property can be used to define the field vales.
The state property can be used to set the state of the
field components enclosed.
Note that many other components inherit the ff attribute,
the value property, and the panleobj/panelfield function from panel.
See the Class Hierarchy and
the Panel Introduction.
Format
< panel ...
> ... < /panel >
Details
| Include File: | panel.hei |
| Session Mode: | none |
Properties
| Property |
Kind |
Description |
| State | String(60) | Field State. Note that states other than display are
valid only if the panel is nested inside a form. |
| Value | Tuple | An object can be passed as value parameter.
It becomes the ff object of the component |
Attributes
| Name |
Description |
| ff |
is an object containing the panel fields to be displayed.
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Related
panelobj (n)
The function panelobj(n) the enclosing
panel. n=0 means the current panel, n=1 the enclosing panel etc.
panelfield (n)
The function panelfield(n) returns the ff object of an enclosing
panel. n=0 means the current panel, n=1 the enclosing panel etc.
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