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

All Component Classes

Technical Reference

LANSA Version 15, April 2020