This cases thread is using Windows API function Shell_NotifyIcon () achieved system tray icon features, this function and other processing Windows shell of function are contains in ShellAPI unit in the in window created Shi in Windows task bar of right Xia corner created a tray icon, icon by two a ICON alternating appears, dang window minimum of Shi task bar in the only tray icon, dang left click tray icon window recovery, icon stop alternating.
File list:
TrayDemo.cfg
TrayDemo.dof
TrayDemo.dpr
TrayDemo.res
TrayIcon.dcu
TrayIcon.dfm
TrayIcon.pas