notification:
FindCloseChangeNotification
FindClosePrinterChangeNotification
FindFirstChangeNotification
FindFirstPrinterChangeNotification
FindNextChangeNotification
FindNextPrinterChangeNotification
FreePrinterNotifyInfo
LockWorkStation
ReadDirectoryChangesW
SetDefaultPrinter
TaskDialogIndirect
WTSRegisterSessionNotification
WTSUnRegisterSessionNotification
Detecting changes in connections to removable drives (VFP9)
Displaying icons in the system tray (VFP9)
Displaying Windows shell folders in TreeView control with Visual FoxPro FLL
Extended MessageBox Class
How to block the PrintScreen key
How to disable the Windows Clipboard (VFP9)
Locking the workstation
Monitoring changes in a directory
Monitoring changes occurring within a directory
Placing a button on the VFP form as a new child window
Simple printer queue monitor: deletes, pauses, resumes print jobs for local printer
Starting external program from VFP and waiting for its termination
Using Change Notification Objects to monitor changes to the printer or print server