Index: MainWindow.cpp
===================================================================
--- MainWindow.cpp	(revision 74238)
+++ MainWindow.cpp	(working copy)
@@ -789,6 +789,12 @@
 
         case WM_DEVICECHANGE:
         {
+            {
+                WCHAR buffer[30];
+                _snwprintf(buffer, 30, L"Detected change - %lu", wParam);
+                MessageBoxW(This->m_hMainWnd, buffer, L"Test", MB_OK);
+            }
+
             if (wParam == DBT_DEVNODES_CHANGED)
             {
                 //