refactor(demos): update machining demos and remove legacy demo message handling

Made-with: Cursor

Common/DemoMessageAndExceptionHandling.cs

@@ -1,57 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using Hi.Common;
-using Hi.Common.Messages;
-
-namespace Sample.Common;
-
-/// <summary>
-/// Demonstrates common message and exception handling patterns in HiAPI applications
-/// </summary>
-/// <remarks>
-/// ### Source Code
-/// [!code-csharp[SampleCode](~/../Hi.Sample/Common/DemoMessageAndExceptionHandling.cs)]
-/// </remarks>
-public static class DemoMessageAndExceptionHandling
-{
-	/// <summary>
-	/// Demonstrates normal message handling
-	/// </summary>
-	internal static void DemoNormalMessages()
-	{
-		#region Normal_Messages
-		MessageUtil.ReportMessage("Operation completed successfully.");
-		MessageUtil.ReportWarning("Please check your input.");
-		#endregion
-	}
-	/// <summary>
-	/// Demonstrates exception handling in synchronous code
-	/// </summary>
-	internal static void DemoSynchronousExceptionHandling()
-	{
-		#region Sync_Exception
-		try
-		{
-			// Your code here
-			throw new NotImplementedException("Demo exception");
-		}
-		catch (Exception ex)
-		{
-			ExceptionUtil.ShowException(ex, null);
-		}
-		#endregion
-	}
-	/// <summary>
-	/// Demonstrates exception handling in asynchronous code
-	/// </summary>
-	internal static async Task DemoAsynchronousExceptionHandling()
-	{
-		#region Async_Exception
-		await Task.Run(() =>
-		{
-			// Your async operation here
-			throw new NotImplementedException("Demo async exception");
-		}).ShowIfCatched(null);
-		#endregion
-	}
-}