Tree View Item (PRIM_TVIT)

Entry in a tree view

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 signaled when an instance of a component is created [Inherited from Tree View Item (PRIM_TVIT)
DestroyInstance	DestroyInstance is signaled 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