public partial class CommandParameterDialog : Window
{public CommandParameterDialog(){InitializeComponent();// 挂工厂事件var factory = this.FindResource("ParameterTemplateFactory") as RecyclingElementFactory;factory!.SelectTemplateKey += OnSelectTemplateKey;}private void OnSelectTemplateKey(object? sender, SelectTemplateEventArgs e){e.TemplateKey = e.DataContext switch{DateTimeParameterViewModel => "DateTimeTemplate",StringParameterViewModel => "StringTemplate",EnumParameterViewModel => "EnumTemplate",Int32ParameterViewModel => "Int32Template",DoubleParameterViewModel => "DoubleTemplate",_ => throw new ArgumentOutOfRangeException()};}protected override void OnDataContextChanged(EventArgs e){base.OnDataContextChanged(e);if (DataContext is CommandParameterDialogViewModel vm){vm.CloseAction = result =>{Close(result);};}}
} <Design.DataContext><viewModels:CommandParameterDialogViewModel></viewModels:CommandParameterDialogViewModel></Design.DataContext><Window.Resources><RecyclingElementFactory x:Key="ParameterTemplateFactory"><RecyclingElementFactory.Templates><!-- 模板：INT32 --><DataTemplate x:Key="Int32Template" DataType="{x:Type viewModels:Int32ParameterViewModel}"><StackPanel Margin="0,8"><TextBlock Text="{Binding DisplayName}" FontWeight="Bold" /><TextBox Text="{Binding Value, Mode=TwoWay}"Watermark="请输入整数" /></StackPanel></DataTemplate><!-- 模板：DOUBLE --><DataTemplate x:Key="DoubleTemplate" DataType="{x:Type viewModels:DoubleParameterViewModel}"><StackPanel Margin="0,8"><TextBlock Text="{Binding DisplayName}" FontWeight="Bold" /><TextBox Text="{Binding Value, Mode=TwoWay}"Watermark="请输入小数" /></StackPanel></DataTemplate><!-- 模板：STRING --><DataTemplate x:Key="StringTemplate" DataType="{x:Type viewModels:StringParameterViewModel}"><StackPanel Margin="0,8"><TextBlock Text="{Binding DisplayName}" FontWeight="Bold" /><TextBox Text="{Binding Value, Mode=TwoWay}"Watermark="请输入文本" /></StackPanel></DataTemplate><!-- 模板：ENUM --><DataTemplate x:Key="EnumTemplate" DataType="{x:Type viewModels:EnumParameterViewModel}"><StackPanel Margin="0,8"><TextBlock Text="{Binding DisplayName}" FontWeight="Bold" /><ComboBox ItemsSource="{Binding Options}"SelectedItem="{Binding SelectedValue, Mode=TwoWay}" PlaceholderText="请选择" /></StackPanel></DataTemplate><!-- 模板：DATETIME --><DataTemplate x:Key="DateTimeTemplate" DataType="{x:Type viewModels:DateTimeParameterViewModel}"><StackPanel Margin="0,8"><TextBlock Text="{Binding DisplayName}" FontWeight="Bold" /><DatePicker SelectedDate="{Binding Value, Mode=TwoWay}" /></StackPanel></DataTemplate></RecyclingElementFactory.Templates></RecyclingElementFactory></Window.Resources><DockPanel Margin="16"><!-- 底部按钮 --><StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal" HorizontalAlignment="Right" Spacing="8"><Button Content="取消" Width="80" Command="{Binding CancelCommand}" /><Button Content="确定" Width="80" Command="{Binding ConfirmCommand}"IsEnabled="{Binding IsValid}" /></StackPanel><!-- 参数列表 --><ScrollViewer HorizontalScrollBarVisibility="Disabled"VerticalScrollBarVisibility="Auto"><ItemsRepeater ItemsSource="{Binding Parameters}" ItemTemplate="{StaticResource ParameterTemplateFactory}"><ItemsRepeater.Layout><StackLayout Orientation="Vertical" Spacing="8" /></ItemsRepeater.Layout></ItemsRepeater></ScrollViewer></DockPanel>