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Win32 PeekMessage loop problem

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So, I am using a typical win32 window and game loop:
    RECT reqRect;
    reqRect.left = 0;
    reqRect.top = 0;
    reqRect.right = 1280;
    reqRect.bottom = 1024;


    int winWidth = reqRect.right - reqRect.left;
    int winHeight = reqRect.bottom - reqRect.top;

    // Register the window class
    WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, MsgProc, 0L, 0L, 
					  GetModuleHandle(NULL), LoadIcon (NULL, IDI_APPLICATION), 
					  LoadCursor (NULL, IDC_ARROW), NULL, NULL,_T("D3D Test"), 
					  NULL };
    RegisterClassEx( &wc );

    // Create the application's window
    HWND hWnd = CreateWindow( _T("D3D Test"), _T("D3D Test"), 
		                      WS_OVERLAPPEDWINDOW, 10, 10, winWidth, winHeight,
		                      GetDesktopWindow(), NULL, wc.hInstance, NULL );


    // Show the window
    ShowWindow( hWnd, SW_SHOWDEFAULT );
    UpdateWindow( hWnd );

    // Enter the message loop
    MSG msg;
    ZeroMemory( &msg, sizeof(msg) );
    while( msg.message != WM_QUIT )
	if( PeekMessage( &msg, NULL, 0U, 0U, PM_REMOVE ) )
		TranslateMessage( &msg );
		DispatchMessage( &msg );

    // Clean up everything and exit the app
    UnregisterClass( _T("D3D Tutorial 1"), wc.hInstance );

Every so often I get an erroneous WM_QUIT message (such as when is hit a key on the keyboard), none of my code is firing off a WM_QUIT message, and when I run spy++ on my window i don't ever see this message. I changed the second param of my peekmessage to be my current windows hwnd, that seems to solve the problem, but I am guessing that will break any possibility of using a win32 context menu with this window (since the loop wont process child window messages)? Does anyone have any clue where this WM_QUIT might be coming from, or how to track down where it is coming from?

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