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DXTreeView Events

Visualizes data in the hierarchical structure.
Name Description
BatchCommitted Occurs when a batch of property changes have been committed by calling BatchCommit(). Inherited from VisualElement.
BindingContextChanged Occurs when the value of the BindingContext property changes. Inherited from BindableObject.
CheckBoxStateChanged Occurs after a user changed the tree node checkbox state.
ChildAdded Raised whenever a child element is added to the element. Inherited from Element.
ChildRemoved Raised whenever a child element is removed from the element. Inherited from Element.
ChildrenReordered Occurs when the order of this element’s children changes. Inherited from VisualElement.
DescendantAdded Raised whenever a child element is added to the element’s subtree. Inherited from Element.
DescendantRemoved Raised whenever a child element is removed from the elements subtree. Inherited from Element.
DoubleTap Occurs when a user taps a DXTreeView node twice.
FocusChangeRequested Occurs when a focus change is requested. Inherited from VisualElement.
Focused Occurs when this element is focused. Inherited from VisualElement.
LoadMore Occurs when a user scrolls to the last node in the DXTreeView to load more nodes.
LongPress Occurs when a user taps and holds a node within the DXTreeView.
MeasureInvalidated Occurs when the current measure of an element has been invalidated. Inherited from VisualElement.
NodeCollapsed Occurs after a node is collapsed.
NodeCollapsing Occurs before a node is collapsed.
NodeExpanded Occurs after a node is expanded.
NodeExpanding Occurs before a node is expanded.
PropertyChanged Occurs when a property value changes. Inherited from BindableObject.
PropertyChanging Occurs when a property value is changing. Inherited from BindableObject.
PullToRefresh Occurs when a user pulls the DXTreeView down to refresh its content.
Scrolled Fires after a scroll operation.
SelectedItemChanged Fires when the selected item is changed.
SelectedItemChanging Fires when a user attempts to select an item, but before selection changes.
SizeChanged Occurs when the size of an element changed. Inherited from VisualElement.
SwipeItemShowing Fires when a swipe item is about to appear (a user swipes a node left or right). You can cancel the action.
SwipeItemTap Fires when a user taps the swipe item.
Tap Occurs when a user taps a DXTreeView descendant.
TapConfirmed Occurs when a single tap is confirmed (the wait for the second tap in a double-tap gesture timed out).
Unfocused Occurs when this element is unfocused. Inherited from VisualElement.
See Also