Add QRValidation project to repository

- Added QRValidation vision control system
- Includes CapCleaningControl UI components
- WebSocket-based barcode validation system
- Support for Crevis PLC integration
- Test projects for PLC emulator, motion, IO panel, and Modbus

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

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

QRValidation/Project/Class/Win32API.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+
+namespace Project
+{
+    public static class Win32API
+    {
+
+
+
+
+
+        [DllImport("user32.dll")]
+        private static extern bool SetForegroundWindow(IntPtr hWnd);
+
+        [DllImport("user32.dll")]
+        private static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
+        [DllImport("user32.dll")]
+        private static extern int SetActiveWindow(int hwnd);
+    }
+}