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/Event/MessageEvent.cs

@@ -0,0 +1,8 @@
+using Prism.Events;
+
+namespace ModuleA.Event;
+
+public class MessageEvent:PubSubEvent<string>
+{
+    
+}