Disable LogOff, TaskManager and ShutDown Programmatically using Delphi

in Delphi TIPS :: If you want to hide your program from Windows NT compatibile systems (2000/XP, Vista) you'll need to mess with the registry. The Enable CTRLALTDEL procedure accepts a boolean value for the YesNo parameter. If you send False, after the code has executed, if the user presses ctrl-alt-del, on the Windows Security dialog box, buttons [Task Manager], [Shut Down] and [Log off] will be disabled.

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