DXCollectionView Events

A collection view.

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.
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.
CompleteItemDragDrop	Occurs after a drag-and-drop operation is completed.
CreateDetailFormViewModel	Occurs before the detail view or edit form is invoked.
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.
DetailFormShowing	Occurs before the DXCollectionView invokes a detail form.
DoubleTap	Occurs when a user taps a collection view item twice.
DragItem	Occurs when a user taps and holds an item to drag it.
DragItemOver	Occurs each time an item is dragged over another item.
DropItem	Occurs when a user drops an item.
FilteringUIFormShowing	Occurs before the filter form is invoked and allows you to customize its options.
Focused	Occurs when this element is focused. Inherited from VisualElement.
GroupCollapsed	Occurs after a group of items has been collapsed.
GroupCollapsing	Occurs before a group of items is collapsed.
GroupExpanded	Occurs after a group of items has been expanded.
GroupExpanding	Occurs before a group of items is expanded.
LoadMore	Occurs when a user scrolls to the last item in the CollectionView to load new data items.
LongPress	Occurs when a user taps and holds an item within the collection view.
MeasureInvalidated	Occurs when the current measure of an element has been invalidated. Inherited from VisualElement.
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 CollectionView down to refresh its content.
Scrolled	Fires after a DXCollectionView is scrolled.
SelectionChanged	Occurs when the item selection is changed.
SizeChanged	Occurs when the size of an element changed. Inherited from VisualElement.
SwipeItemShowing
Tap	Occurs when a user taps the view.
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.
ValidateAndSave