DXCollectionView.SwipeItemShowing Event

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.

Namespace: DevExpress.Maui.CollectionView

Assembly: DevExpress.Maui.CollectionView.dll

NuGet Package: DevExpress.Maui.CollectionView

Declaration

public event EventHandler<SwipeItemShowingEventArgs> SwipeItemShowing

Event Data

The SwipeItemShowing event's data class is SwipeItemShowingEventArgs. The following properties provide information specific to this event:

Property	Description
Cancel	Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs.
IsStartSwipeItem	Gets whether the processed swipe item is about to be displayed on the left side of a DXCollectionView‘s row.
Item	Gets the data item that corresponds to the processed DXCollectionView row.
RowHandle	Gets the handle of the row that contains the item that will be swiped.
SwipeItem	Gets the swipe item for which the SwipeItemShowing event is raised.

Remarks

In the markup below, the right-side swipe item is Reply. The code below shows how to prevent this item from showing if the sender’s email contains “donotreply”.

XAML

<dxcv:DXCollectionView x:Name="collectionview" ItemsSource="{Binding OutlookData}" SwipeItemShowing="collectionview_SwipeItemShowing">
    <dxcv:DXCollectionView.ItemTemplate>
        <DataTemplate>
            <dxcv:SwipeContainer>
                <dxcv:SwipeContainer.ItemView>
                    <dx:DXStackLayout Orientation="Vertical" ItemSpacing="6">
                        <Label Text="{Binding Sender}"/>
                        <Label Text="{Binding email}"/>
                    </dx:DXStackLayout>
                </dxcv:SwipeContainer.ItemView>
                <dxcv:SwipeContainer.StartSwipeItems>
                    <dxcv:SwipeItem Caption="Sender Info" BackgroundColor="##26a95e" />
                </dxcv:SwipeContainer.StartSwipeItems>
                <dxcv:SwipeContainer.EndSwipeItems>
                    <dxcv:SwipeItem Caption="Reply" BackgroundColor="#797bff" />
                </dxcv:SwipeContainer.EndSwipeItems>
            </dxcv:SwipeContainer>
        </DataTemplate>
    </dxcv:DXCollectionView.ItemTemplate>
</dxcv:DXCollectionView>

C#

using DevExpress.Maui.CollectionView;

private void collectionview_SwipeItemShowing(object sender, SwipeItemEventArgs e) {
    DXCollectionView collectionView = sender as DXCollectionView;
    string from = e.Item.ToString();
    if (from.Contains("donotreply") && !e.IsStartSwipeItem)
        e.Cancel = true;
}