BCGControlBar Pro for MFC
BOOL CBCGPShellList::RegisterShellNotification ( LONG  fEvents = 0)

Call this method to specify whther this controls should receive Windows shell notification and update the content.

fEventsCombination of file system notification flags that will be used for the shell notifications. By default, the following combimation will be used: SHCNE_RENAMEFOLDER | SHCNE_RMDIR | SHCNE_MKDIR | SHCNE_DRIVEADD | SHCNE_DRIVEREMOVED | SHCNE_MEDIAINSERTED | SHCNE_MEDIAREMOVED
TRUE if it succeeds, FALSE if it fails.