如何在Xamarin.Forms中为Listview标签的自动化ID添加增量值? [英] How to add incremental value for the automation id of a Listview label in Xamarin.Forms?

问题描述

我有这样的资源

<ContentPage.Resources>
    <ResourceDictionary>
        <x:String x:Key="LabelAutomationIdentifier">LBL_</x:String>
    </ResourceDictionary>
</ContentPage.Resources>

我的列表视图看起来像

<ListView 
ItemsSource="{Binding ListItemSource}">
<ListView.ItemTemplate>
    <DataTemplate>
        <ViewCell>
            <Label 
                AutomationId="{StaticResource LabelAutomationIdentifier, StringFormat {0}_{Incremental Value OR UniqueIdentifier}'}"
                Text="{Binding Title}" />
        </ViewCell>
    </DataTemplate>
</ListView.ItemTemplate>

如何在自动化ID中添加增量值?

How to add the incremental value in the automation id?

推荐答案

创建对象时无法创建?例如:var _id = 0; MenuItems = new ObservableCollection<MenuItem> { new MenuItem { Id = _id++; Title = "xxxxxxxx", }, new MenuItem { Id = _id++; Title = "yyyyyyyyy", }, new MenuItem { Id = _id++; Title = "zzzzz", }, new MenuItem { Id = _id++; Title = "jjjj", }, };

you can't make when you create the objects??? For example : var _id = 0; MenuItems = new ObservableCollection<MenuItem> { new MenuItem { Id = _id++; Title = "xxxxxxxx", }, new MenuItem { Id = _id++; Title = "yyyyyyyyy", }, new MenuItem { Id = _id++; Title = "zzzzz", }, new MenuItem { Id = _id++; Title = "jjjj", }, };

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