text: #ifndef DRIVLIST_H
  #define DRIVLIST_H
  
  #ifndef DISKUTIL_H
  	#include "diskutil.h"
  #endif
  
  /*
   * DEFINITIONS ________________________________________________________________
   *
   */
  
  typedef enum	// Per-window extra bytes for DriveList
  {
  	DL_COMBOWND = 0,	// Far pointer to a ComboBox HWND.
  	DL_COMBOPROC = 4,	// Far pointer to original comboproc
  	DL_UPDATES = 8	// ==0 if paints are OK
  } DriveWindLongs;
  
  
  #define szDriveListCLASS  "DRIVELISTCLASS"
  
  #define DLN_SELCHANGE   (WM_USER +110)	// Sends WP=drive letter chosen
  
  #define DL_UPDATESBAD   (WM_USER +111)	// Don't refresh until later...
  #define DL_UPDATESOKAY  (WM_USER +112)	// ...later's here.
  
  #define STYLE_LISTBOX   0x000080000
  
  
  /*
   * PROTOTYPES _________________________________________________________________
   *
   */
  
  BOOL   RegisterDriveList   (HANDLE hInst);
  void   ExitDriveList       (void);
  
  #endif
  
  