Tree View Item (PRIM_TVIT)
Entry in a tree view
Ancestors - Object (PRIM_OBJT)
Details
All LANSA visual list controls manange a collection of items. Items are created and destroyed whenever entries are added to or deleted from the underlying data list. Items are the means by which the visual side of the list can be manipulated.
Properties
| Name | Description |
|---|---|
| Bold | Bold sets the tree view item bold |
| CheckBoxes | Checkboxes controls the display of a check box for the item |
| Checked | Checked controls whether the item's check box is ticked |
| CheckEnabled | CheckEnabled controls whether the check box of a tree view item is enabled |
| CheckReadOnly | Checkbox is readonly |
| ChildrenCount | ChildrenCount tells the number of child entries |
| ComponentClassName | ComponentClassName is the name of the component's class. Inherited from Object (PRIM_OBJT) |
| ComponentMembers | ComponentMembers provides access to all the member components of this component Inherited from Object (PRIM_OBJT) |
| ComponentPatternName | ComponentPatternName is used to qualify the class of the component. Inherited from Object (PRIM_OBJT) |
| ComponentTag | Generic space allowing a value to be stored for the instance Inherited from Object (PRIM_OBJT) |
| ComponentType | ComponentType gives you access to the type information about the component Inherited from Object (PRIM_OBJT) |
| ComponentTypeName | ComponentTypeName is the fully qualified name of the component's class. Inherited from Object (PRIM_OBJT) |
| Enabled | Enable activates/deactivates the component |
| EnsureVisible | Scroll a list so that the item is within the visible area |
| Entry | Entry number of the item in the underlying data list |
| Expanded | True if the item has been expanded |
| Focus | True if this item is the focus item in the list |
| FocusedInactiveStyle | Style to be applied to the focus item when the control is not focus |
| FocusedInactiveStyles | Collection of styles to be applied to the focus item when the control is not focus |
| FocusedStyle | Style applied to the item when focus |
| FocusedStyles | Collection of styles to be applied to the item when focus |
| HasChildren | Controls the appearance of the expand and collapse image for the item |
| HasLines | HasLines shows or hides the item's lines |
| Image | Repository enrolled image to show in the control |
| ImageExpanded | ImageExpanded indicates the status of an item |
| ImageOverlay | ImageOverlay superimposes another image on an icon |
| ImageState | ImageState indicates the status of an item |
| Items | Collection of items in the component |
| Level | Nesting level of the item |
| MarginBottom | MarginBottom allows more spacing under a tree item |
| MarginTop | MarginTop allows more spacing above a tree item |
| MessageSet | LANSA Internal Use |
| MessagesOfComponent | LANSA Internal Use |
| MessagesOfFeature | LANSA Internal Use |
| Modified | Modified indicates if an item or a cell has changed |
| MouseOverStyle | Style applied to the item when mouse over |
| MouseOverStyles | Collection of styles to be applied to the item when mouse over |
| Name | Name identifies the component Inherited from Object (PRIM_OBJT) |
| Owner | Owner owns this component Inherited from Object (PRIM_OBJT) |
| Parent | The component instance to which this instance is attached. The visual container for a control or the collector of a set of child instances Inherited from Object (PRIM_OBJT) |
| ParentItem | ParentItem is the next item up |
| Position | Position allows the repositioning of a tree item |
| RadioButtons | Show a radio button for the item |
| ReadOnly | ReadOnly controls whether the item can be used for input |
| RelatedReference | Reference to an object instance to be stored for this item |
| Selected | True if this item is currently selected |
| SelectedInactiveStyle | Style to be applied to the item when selected but the control is not focus |
| SelectedInactiveStyles | Collection of styles to be applied to the item when selected but the control is not focus |
| SelectedStyle | Style applied to the item when selected |
| SelectedStyles | Collection of styles to be applied to the item when selected |
| Style | Styles to be applied to the item |
| Styles | Collection of styles to be applied to the item |
| Tree | Reference to the tree containing the item |
| ValueAt | Value at the specified location |
| Visible | Show or hide the item |
| VisualStyle | VisualStyle sets the appearance |
Events
| Name | Description |
|---|---|
| CreateInstance | CreateInstance is signalled when an instance of a component is created Inherited from Tree View Item (PRIM_TVIT) |
| DestroyInstance | DestroyInstance is signalled when an instance of a component is about to be destroyed Inherited from Tree View Item (PRIM_TVIT) |
Methods
| Name | Description |
|---|---|
| Collapse | Collapse the item to hide child nodes |
| Expand | Expand the item to show child nodes |
| SetValueAt | Set the value at the specified position
Result, Column, Value |
See also
LANSA Version 15, April 2020