README.md

How to work with Prism using the EventToCommandBehavior in Xamarin.Forms ListView (SfListView)

You can pass the default event argument as parameter when using Prism Framework EventToCommandBehavior in Xamarin.Forms SfListView.

The prism EventToCommandBehavior will pass the parameter based on the CommandParameter, EventArgsParameterPath and EventArgsConverter. The parameter will be null in the Command execute method, if no value passed to these parameters.

You can also refer the following article https://www.syncfusion.com/kb/11680/how-to-work-with-prism-using-the-eventtocommandbehavior-in-xamarin-forms-listview

XAML

Refer the Prism Framework EventToCommandBehavior for ListView. Use EventArgsConverter to pass the default EventArgs to the Command.

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:local="clr-namespace:ListViewXamarin"
             xmlns:syncfusion="clr-namespace:Syncfusion.ListView.XForms;assembly=Syncfusion.SfListView.XForms"
             xmlns:helper="clr-namespace:ListViewXamarin.Helper"
             xmlns:behavior="http://prismlibrary.com"
             x:Class="ListViewXamarin.MainPage">
  
    <ContentPage.Resources>
        <ResourceDictionary>
            <helper:Converter x:Key="EventArgsConverter"/>
        </ResourceDictionary>
    </ContentPage.Resources>
	 <ContentPage.Content>
        <StackLayout>
            <syncfusion:SfListView x:Name="listView" ItemSize="60" ItemsSource="{Binding ContactsInfo}">
                <syncfusion:SfListView.Behaviors>
                    <behavior:EventToCommandBehavior EventName="ItemDoubleTapped" Command="{Binding ItemDoubleTappedCommand}" EventArgsConverter="{StaticResource EventArgsConverter}"/>
                </syncfusion:SfListView.Behaviors>
                <syncfusion:SfListView.ItemTemplate>
                    <DataTemplate>
                        <Grid x:Name="grid">
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="70" />
                                <ColumnDefinition Width="*" />
                            </Grid.ColumnDefinitions>
                            <Image Source="{Binding ContactImage}" VerticalOptions="Center" HorizontalOptions="Center" HeightRequest="50" WidthRequest="50"/>
                            <Grid Grid.Column="1" RowSpacing="1" Padding="10,0,0,0" VerticalOptions="Center">
                                <Label x:Name="label" LineBreakMode="NoWrap" TextColor="#474747" Text="{Binding ContactName}"/>
                                <Label Grid.Row="1" Grid.Column="0" TextColor="#474747" LineBreakMode="NoWrap" Text="{Binding ContactNumber}"/>
                            </Grid>
                        </Grid>
                    </DataTemplate>
                </syncfusion:SfListView.ItemTemplate>
            </syncfusion:SfListView>
        </StackLayout>
    </ContentPage.Content>
</ContentPage>

C#

Return the value which is the actual parameter of the Event.

namespace ListViewXamarin.Helper
{
    public class Converter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return value;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}