Inheritence

Summary

Base class for virtualized, scrollable panels that only create item panels when visible.

Constructors

BaseVirtualPanel

Initializes the base virtual panel with default styles.

Fields

_cellData
_created
_items
_lastCellCreated
_removals

Properties

Item	Template used to render an item into a cell panel.
ItemCount	Gets the number of items in the panel.
Items	Replaces the current items. Only triggers a rebuild if the sequence is actually different. When set to an IList (like List<T>), changes to the source list will be automatically detected.
NeedsRebuild	When true, forces a layout rebuild on the next Sandbox.UI.BaseVirtualPanel.Tick.
OnCreateCell	Called when a cell is created. Allows you to fill the cell in
OnLastCell	Called when the last cell has been viewed. This allows you to view more.

Methods

AddItem	Adds a single item and marks the panel for rebuild.
AddItems
Clear	Clears all items and destroys created panels.
FinalLayoutChildren	Final layout pass for child panels and scroll bounds.
GetTotalHeight	Gets the total height needed to display the specified number of items.
GetVisibleRange	Gets the range of visible item indices.
HasData	Returns true if <paramref name="i" /> is a valid item index.
InsertItem	Inserts an item at the specified index and marks the panel for rebuild.
PositionPanel	Positions a panel at the specified index.
RemoveAt	Removes the item at the specified index and marks the panel for rebuild.
RemoveItem	Removes the first occurrence of a specific item and marks the panel for rebuild.
SetItems
Tick	Per-frame update: adjusts spacing from CSS, updates layout, creates/destroys visible panels.
UpdateLayout	Updates the layout and returns true if the layout changed.
UpdateLayoutSpacing	Updates the layout spacing based on CSS gaps.