事件绑定

https://learn.microsoft.com/zh-cn/dotnet/maui/fundamentals/behaviors?view=net-maui-7.0

<ListView x:Name="listView"
          ItemsSource="{Binding Monkeys}">
    <ListView.ItemTemplate>
        <DataTemplate>
            <ViewCell>
                <ViewCell.ContextActions>
                    <MenuItem Text="Favorite"
                              Command="{Binding Source={x:Reference listView}, Path=BindingContext.FavoriteCommand}"
                              CommandParameter="{Binding}" ></MenuItem>
                    <MenuItem Text="Delete"
                              Command="{Binding Source={x:Reference listView}, Path=BindingContext.DeleteCommand}"
                              CommandParameter="{Binding}" ></MenuItem>
                </ViewCell.ContextActions>

                ...
            </ViewCell>
        </DataTemplate>
    </ListView.ItemTemplate>
</ListView>

https://learn.microsoft.com/zh-cn/dotnet/maui/fundamentals/data-binding/commanding?view=net-maui-7.0

https://www.cnblogs.com/lesliexin/p/16433623.html

数据事件绑定和获取

https://learn.microsoft.com/en-us/dotnet/maui/fundamentals/gestures/tap?view=net-maui-7.0

 <Image 
     Source="book_fspsydj.png"
     Aspect="AspectFill"
     WidthRequest="162" >
     <Image.GestureRecognizers>
         <TapGestureRecognizer Tapped="OnTapGestureRecognizerTapped"    
             Buttons="Primary,Secondary" 
             CommandParameter="{Binding Name}"
         ></TapGestureRecognizer>
     </Image.GestureRecognizers>
 </Image>

        void OnTapGestureRecognizerTapped(object sender, TappedEventArgs args)
        {
            // Handle the tap
            if (args.Buttons == ButtonsMask.Secondary)
            {
                // Do something
            }
        }