Accessors for class IlvTreeGadgetItem

Properties

expanded
expandedBitmap
firstChild
hasChildren
isFirst
isLast
lastChild
nextSelected
nextSibling
nextVisible
parent
prevSibling
prevVisible
visible

Methods

detach
insert
isAncestorOf

Description

This class represents an item of an IlvTreeGadget. The IlvTreeGadget displays a tree composed of IlvTreeGadgetItem objects.
Each IlvTreeGadgetItem has a certain number of children. An IlvTreeGadgetItem may be expanded or not. When the item is expanded, its children are displayed, and if an expanded bitmap has been provided, it is used.

Type Name Description Notes

Void detach() Removes the item from its tree.

Boolean expanded Shrinks or expands the item.
Returns true if the item is expanded, otherwise it returns false.

Bitmap expandedBitmap Sets or returns the bitmap that is associated with the expanded state.

IlvTreeGadgetItem firstChild Returns the first child of the tree gadget item if there is one. Otherwise, returns NULL.

Boolean hasChildren Returns true if the item has children. Otherwise, returns false.

Boolean isAncestorOf(IlvTreeGadgetItem item) Returns true if the specified tree gadget item is an ancestor of item. Returns false otherwise.

Boolean isFirst Returns true if the tree gadget item is the first child of its parent. Otherwise, returns false.

Boolean isLast Returns true if the tree gadget item is the last child of its parent. Otherwise, returns false.

IlvTreeGadgetItem lastChild Returns the last child of the tree gadget item if it has at least one child. Otherwise, function returns NULL.

Object nextSelected Returns the next selected tree gadget item from this item.

Object nextSibling Returns the next sibling of the tree gadget item.

IlvTreeGadgetItem nextVisible Returns the next visible tree gadget item.

Object parent Returns the parent of the tree gadget item. May return NULL if the item is the root of the tree.

Object prevSibling Returns the previous sibling of the tree gadget item.

Object prevVisible Returns the previous visible tree gadget item.

Void shrink() Shrinks the item.

Boolean visible Returns true if the tree gadget item is visible. The item is visible if all its ancestors are expanded. This property may return true even if the item is not in the visible area of the tree.

Type	Name	Description
`Void`	`detach()`	Removes the item from its tree.
`Boolean`	`expanded`	Shrinks or expands the item. Returns `true` if the item is expanded, otherwise it returns `false`.
`Bitmap`	`expandedBitmap`	Sets or returns the bitmap that is associated with the expanded state.
`IlvTreeGadgetItem`	`firstChild`	Returns the first child of the tree gadget item if there is one. Otherwise, returns `NULL`.
`Boolean`	`hasChildren`	Returns `true` if the item has children. Otherwise, returns `false`.
`Boolean`	`isAncestorOf(IlvTreeGadgetItem item)`	Returns `true` if the specified tree gadget item is an ancestor of item. Returns `false` otherwise.
`Boolean`	`isFirst`	Returns `true` if the tree gadget item is the first child of its parent. Otherwise, returns `false`.
`Boolean`	`isLast`	Returns `true` if the tree gadget item is the last child of its parent. Otherwise, returns `false`.
`IlvTreeGadgetItem`	`lastChild`	Returns the last child of the tree gadget item if it has at least one child. Otherwise, function returns `NULL`.
`Object`	`nextSelected`	Returns the next selected tree gadget item from this item.
`Object`	`nextSibling`	Returns the next sibling of the tree gadget item.
`IlvTreeGadgetItem`	`nextVisible`	Returns the next visible tree gadget item.
`Object`	`parent`	Returns the parent of the tree gadget item. May return `NULL` if the item is the root of the tree.
`Object`	`prevSibling`	Returns the previous sibling of the tree gadget item.
`Object`	`prevVisible`	Returns the previous visible tree gadget item.
`Void`	`shrink()`	Shrinks the item.
`Boolean`	`visible`	Returns `true` if the tree gadget item is visible. The item is visible if all its ancestors are expanded. This property may return `true` even if the item is not in the visible area of the tree.