添加后台服务是否启动功能

Views/Dialogs/IsActiveDialog.xaml

@@ -0,0 +1,22 @@
+<controls:ContentDialog x:Class="PMSWPF.Views.Dialogs.IsActiveDialog"
+                        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:controls="http://schemas.inkore.net/lib/ui/wpf/modern"
+                        xmlns:vm="clr-namespace:PMSWPF.ViewModels.Dialogs"
+                        mc:Ignorable="d"
+                        d:DataContext="{d:DesignInstance vm:IsActiveDialogViewModel}"
+                        Title="修改激活状态"
+                        PrimaryButtonText="确定"
+                        SecondaryButtonText="取消"
+                        PrimaryButtonClick="ContentDialog_PrimaryButtonClick"
+                        SecondaryButtonClick="ContentDialog_SecondaryButtonClick">
+    <Grid>
+        <StackPanel Orientation="Vertical" Margin="10">
+            <TextBlock Text="请选择新的激活状态:" Margin="0,0,0,10" FontWeight="Bold"/>
+            <RadioButton Content="启用" IsChecked="{Binding SelectedIsActive, Mode=TwoWay, Converter={StaticResource NullableBooleanConverter}, ConverterParameter=True}" Command="{Binding SelectIsActiveCommand}" CommandParameter="True" Margin="0,0,0,5"/>
+            <RadioButton Content="停用" IsChecked="{Binding SelectedIsActive, Mode=TwoWay, Converter={StaticResource NullableBooleanConverter}, ConverterParameter=False}" Command="{Binding SelectIsActiveCommand}" CommandParameter="False"/>
+        </StackPanel>
+    </Grid>
+</controls:ContentDialog>

Views/Dialogs/IsActiveDialog.xaml.cs

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+using System.Windows;
+using iNKORE.UI.WPF.Modern.Controls;
+using PMSWPF.ViewModels.Dialogs;
+
+namespace PMSWPF.Views.Dialogs;
+
+public partial class IsActiveDialog : ContentDialog
+{
+    public IsActiveDialogViewModel ViewModel { get; }
+
+    public IsActiveDialog(IsActiveDialogViewModel viewModel)
+    {
+        InitializeComponent();
+        ViewModel = viewModel;
+        DataContext = ViewModel;
+    }
+
+    private void ContentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
+    {
+        // 确认按钮点击时，ViewModel.SelectedIsActive 已经通过绑定更新
+        // 如果用户没有选择任何选项，可以阻止关闭对话框
+        if (!ViewModel.SelectedIsActive.HasValue)
+        {
+            args.Cancel = true;
+        }
+    }
+
+    private void ContentDialog_SecondaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
+    {
+        // 取消按钮点击时，将 SelectedIsActive 设置为 null
+        ViewModel.SelectedIsActive = null;
+    }
+}