#include <windows.h>
#include <iostream>
#include <dbt.h>

class CatchAll
{
public:
    LRESULT DeviceChange(DWORD event, PDEV_BROADCAST_HDR pHdr);
    HWND    m_hwnd;
};

LRESULT CatchAll::DeviceChange(DWORD event, PDEV_BROADCAST_HDR pHdr)
{
 BOOL fEvent = FALSE ;
 switch (event)
 {
  case DBT_DEVICEARRIVAL:
   printf("Begin");
   fEvent = TRUE ;
   break ;
  case DBT_DEVICEREMOVECOMPLETE:
   printf( "End");
   fEvent = TRUE ;
 }

 if (fEvent)
 {
  switch( pHdr->dbch_devicetype )
  {
   case DBT_DEVTYP_VOLUME:
    PDEV_BROADCAST_VOLUME pDevVolume = (PDEV_BROADCAST_VOLUME)pHdr;
            // do something...
            printf ("WM_DEVICECHANGE      hurra!!!");
            break;
        }
    }
    return 0;

}

LRESULT CALLBACK MessageLoopProc(HWND m_hwnd,UINT Message,WPARAM wParam,LPARAM lParam)
    {
    CatchAll ca;
    switch ( Message )
        {
        case WM_DEVICECHANGE:
          MessageBox(m_hwnd,TEXT("Device changed"),TEXT("Sys message"),MB_OK);
            printf ("WM_DEVICECHANGE in MessageLoopProc!");
            ca.DeviceChange( wParam, (PDEV_BROADCAST_HDR)lParam);
            break;
        case WM_DESTROY:
            PostQuitMessage(0);
            break;

        default:
            return DefWindowProc(m_hwnd,Message,wParam,lParam);
        }

        return 0;

    }

int main()
{

    HINSTANCE hInst = GetModuleHandle(NULL);
    WNDCLASSEX  WndClass;
    HWND m_hwnd;

    char szClassName[] = "HiddenWindow";

    WndClass.cbSize = sizeof(WNDCLASSEX);
    WndClass.style=CS_HREDRAW | CS_VREDRAW;
    WndClass.lpfnWndProc = /*(WNDPROC)*/MessageLoopProc;
    WndClass.cbClsExtra = 0;
    WndClass.cbWndExtra = 0;
    WndClass.hInstance = hInst;
    WndClass.hIcon = 0l;
    WndClass.hCursor = NULL;
    WndClass.hbrBackground = NULL;
    WndClass.lpszMenuName = NULL;
    WndClass.lpszClassName = szClassName;
    WndClass.hIconSm = 0l;

    RegisterClassEx(&WndClass);

    m_hwnd = CreateWindow(  szClassName, "Hidden Window",
                            WS_OVERLAPPEDWINDOW,
                            0,
                            0,
                            10,
                            10,
                            NULL,
                            NULL,
                            hInst,
                            NULL);
    ShowWindow(m_hwnd,SW_SHOW);         // SW_HIDE
    UpdateWindow(m_hwnd);


    MSG                 msg;
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

/*  return CatchAll().MessageLoop();*/
    return 0;
}