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.
FocusChangeRequested	Occurs when a focus change is requested. Inherited from VisualElement.
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	Fires when a swipe item is about to be shown when a user swipes a row from left to right or from right to left, and allows you to cancel the action.
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	Allows you to validate data item values before they are committed to the data source.