| Parameter | Description |
|---|---|
| window | The HierarchyWindow that fired the event. |
| view | The Hierarchy.HierarchyView requesting the tooltip. |
| item | The Hierarchy.HierarchyViewItem the tooltip is being requested for. |
| tooltip | A Text.StringBuilder to append tooltip text to. |
| filtering | Whether the Hierarchy.HierarchyView is currently filtering nodes. |
Delegate type for the HierarchyWindow.GetTooltip event.