ZOOMDATA

typedef struct tagZOOMDATA
{
   HWND hWnd;
   union
   {
      LBitmapWindow L_FAR *pBitmapWindowClass;
      LVectorWindow L_FAR *pVectorWindowClass;
   } Class;
   L_UINT uZoomPercent;
} ZOOMDATA, L_FAR * pZOOMDATA;