Cannot Close System Tray!

Hi! In my application i am using System Tray utility. im loading system tray from MDI Form''s menu click. It''s loading and working fine.problem is , If suppose i want to close the System Tray from NotifyIcon''s ''Exit'' Menu Click, its not working. that is form could not close. Notify Icon also wont be disappear even application getting exit.Please guide me wat to do! Thanks and Regs Jayaprakash Subramaniam

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