dataTemplate 使用

App
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<Application x:Class="WPFDemo.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:WPFDemo"
             StartupUri="MainWindow.xaml">
    <Application.Resources>
<local:TempConverter  x:Key="myTempConverter"/>
<DataTemplate x:Key="temp1">
            <StackPanel Orientation="Horizontal">
                <TextBlock Text="temp1" Margin="0 0 10 0"/>
                <TextBlock Text="{Binding Name}"/>
                <Label Background="Red">this is template 1</Label>
            </StackPanel>
        </DataTemplate>
        <DataTemplate x:Key="temp2">
            <StackPanel Orientation="Horizontal">
                <TextBlock Text="temp2" Margin="0 0 10 0"/>
                <TextBlock Text="{Binding Name}"/>
                <Label Background="Black">this is template 1000</Label>
            </StackPanel>
        </DataTemplate>
    </Application.Resources>
</Application> 
mainwindow
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<Window x:Class="WPFDemo.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WPFDemo"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <StackPanel>
<ListBox ItemsSource="{Binding pList}" ItemTemplate="{Binding pList,Converter={StaticResource myTempConverter}}" Height="400" x:Name="listBox1" Width="300" />
    </StackPanel>
</Window> 
viewModel
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 public class MainViewModel
    {
        public MainViewModel()
        {
            _pList = new ObservableCollection<People>();
            _pList.Add(new People { IsTemp1 = false, Name = "zhangsan" });
            _pList.Add(new People { IsTemp1 = true, Name = "zhangsan" });
            _pList.Add(new People { IsTemp1 = false, Name = "lisi" });
            _pList.Add(new People { IsTemp1 = false, Name = "wangwu" });
        }
        private ObservableCollection<People> _pList = null;
public ObservableCollection<People> pList
        { get
            {
                return _pList;
            }
        }    }
 
model
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 public class People
    {
        public bool IsTemp1 { get; set; }
        public string Name { get; set; }
    } 
转换类
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 public class TempConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            Collection<People> datalist = (Collection<People>)value;

            DataTemplate template = new DataTemplate();

            if (datalist[0].IsTemp1 == true)
            {
                template = App.Current.Resources["temp1"] as DataTemplate;
            }
            else
            {
                template = App.Current.Resources["temp2"] as DataTemplate;
            }
            return template;
        }        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }