DataGridView.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.XamarinForms.DataGrid

Assembly: DevExpress.XamarinForms.Grid.dll

NuGet Package: DevExpress.XamarinForms.Grid

Declaration

public event SwipeItemEventHandler SwipeItemShowing

Event Data

The SwipeItemShowing event's data class is SwipeItemEventArgs. 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 grid row.
Item	Gets the data item that corresponds to the processed grid row.
RowHandle	Gets the processed row’s handle.
SwipeItem	Gets the swipe item that is about to be shown.

Example

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

<dxg:DataGridView x:Name="grid" ItemsSource="{Binding OutlookData}" SwipeItemShowing="grid_SwipeItemShowing">
    <dxg:DataGridView.StartSwipeItems>
        <dxg:SwipeItem Caption="Sender Info" BackgroundColor="#26a95e" Tap="OnShowCustomerInfo" />
    </dxg:DataGridView.StartSwipeItems>
    <dxg:DataGridView.EndSwipeItems>
        <dxg:SwipeItem Caption="Reply" BackgroundColor="#797bff" Tap="OnReply" />
    </dxg:DataGridView.EndSwipeItems>
    <dxg:DataGridView.Columns>
        <dxg:TextColumn FieldName="From.Email" Caption="From" Width="150">
            <dxg:TextColumn.Width>
                <OnIdiom x:TypeArguments="GridLength" Phone="110" Tablet="150"/>
            </dxg:TextColumn.Width>
        </dxg:TextColumn>
        <dxg:TextColumn FieldName="Subject" />
        <dxg:DateColumn FieldName="Sent" Width="150">
            <dxg:DateColumn.IsVisible>
                <OnIdiom x:TypeArguments="x:Boolean" Phone="false" Tablet="true"/>
            </dxg:DateColumn.IsVisible>
        </dxg:DateColumn>
    </dxg:DataGridView.Columns>
</dxg:DataGridView>

C#

using DevExpress.XamarinForms.DataGrid;

private void grid_SwipeItemShowing(object sender, SwipeItemEventArgs e) {
    DataGridView dataGridView = sender as DataGridView;
    string from = (string)dataGridView.GetCellValue(e.RowHandle, "From.Email");
    if (from.Contains("donotreply") && !e.IsStartSwipeItem)
        e.Cancel = true;
}