Initial commit: .NET practice project

Added CSharp, Nots, and Wpf directories with various practice exercises and projects.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Wpf/Prism1/ModuleA/Views/ViewA.xaml

@@ -0,0 +1,13 @@
+<UserControl x:Class="ModuleA.Views.ViewA"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:ModuleA.Views"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <Grid>
+        <TextBlock FontSize="30"  Text="模块A 中 页面A" />
+
+    </Grid>
+</UserControl>

Wpf/Prism1/ModuleA/Views/ViewA.xaml.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace ModuleA.Views
+{
+    /// <summary>
+    /// ViewA.xaml 的交互逻辑
+    /// </summary>
+    public partial class ViewA : UserControl
+    {
+        public ViewA()
+        {
+            InitializeComponent();
+        }
+    }
+}

Wpf/Prism1/ModuleA/Views/ViewC.xaml

@@ -0,0 +1,17 @@
+<UserControl x:Class="ModuleA.Views.ViewC"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:local="clr-namespace:ModuleA.Views"
+             mc:Ignorable="d"
+             d:DesignHeight="300" d:DesignWidth="300">
+    <Grid>
+        <TextBlock Text="View C 提示文字" FontSize="30"/>
+        
+        <StackPanel Margin="0,100,0,0">
+            <Button Command="{Binding ConfirmCommand}">确定</Button>
+            <Button Command="{Binding CancelCommand}">取消</Button>
+        </StackPanel>
+    </Grid>
+</UserControl>

Wpf/Prism1/ModuleA/Views/ViewC.xaml.cs

@@ -0,0 +1,19 @@
+using System.Windows;
+using System.Windows.Controls;
+using ModuleA.Event;
+using Prism.Events;
+
+namespace ModuleA.Views;
+
+public partial class ViewC : UserControl
+{
+    public ViewC(IEventAggregator aggregator)
+    {
+        InitializeComponent();
+        var messageEvent = aggregator.GetEvent<MessageEvent>();
+        messageEvent.Subscribe(arg =>
+        {
+            MessageBox.Show(arg);
+        });
+    }
+}