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Nuclos component properties: active, visible, opaque, border, tooltip, preferred size, next field, value list provider, foreign key, type class. |
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Component properties
All component properties at a glance – position, display, behaviour and subform/container options.
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| colour | Blue |
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| title | Application developer |
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| colour | Green |
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| title | Updated: Jul 2026 |
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| colour | Grey |
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| title | applies to Nuclos 4.2026.x |
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Why properties?
All components are essentially the same – only the properties make them what is needed. They are set via the context menu → Properties and vary by component type and user mode.
Properties dialog of a component.
Layout constraints
| Property | Meaning |
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| Starts/ends in column/row | grid area the component occupies (may span several cells). |
| Horizontal/vertical alignment | alignment within the cell(s). |
| Preferred size | fixed size – only effective if „fill“ is not set. |
Display & behaviour
| Property | Meaning |
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| Active | allows/prevents input (e.g. read-only display). |
| Visible | shows/hides the component (e.g. parameter fields). |
| Opaque | own background colour opaque or transparent. |
| Background colour / font size | colour and relative font size. |
| Border | border per component/container (border editor) to separate/group. |
| Alternative tooltip | overrides the default tooltip; line break via <html>…<br>…</html>. |
| Keyboard shortcut | jump to the component via the ALT key. |
| Extended properties | additional parameters, e.g. font-family=Monospaced. |
| Next field | controls the tab order. |
| Do not clone | content is not copied when cloning a record. |
| Property | Meaning |
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| Business object / foreign key / unique master column | subform: BO, foreign key and – if used multiple times – the foreign key to use. |
| Parent subform | dependency between two subforms. |
| Controller type / type class | custom subform controller or control type for subform column / universal component. |
| Orientation / divider width / resize weight / continuous layout / collapsible | SplitPane or separator properties. |
| Tab position / layout policy | TabbedPane: position of tabs or wrap/scroll. |
| Horizontal/vertical scrollbar | ScrollPane: always / asneeded / never. |
| Options / label | optiongroup: choice values and title per option. |
| Value list provider / value list editable | combobox: fill values or allow custom values. |
| Component display / stretch horizontally | universal component: label/control display, use full width. |
| Columns / rows | textarea: width (characters) and height (rows). |
| Text / title | static label or titled separator text. |
Editing extended properties.
Related pages
Data components
Components.
Open →
Container elements
Containers.
Open →
