System Delphi

Title: Disabling Ctrl-Alt-Del
Question:
Answer:
var
i : integer;
begin
i := 0;
{Disable Ctrl-Alt-Del}
SystemParametersInfo( SPI_SCREENSAVERRUNNING, 1, @i, 0);
end.
// unit WinProcs is needed
// for Alt-Tab: SPI_SETFASTTASKSWITCH
{
reference:
Win32 Developer's Reference:
BOOL SystemParametersInfo(
UINT uiAction, // system parameter to query or set
UINT uiParam, // depends on action to be taken
PVOID pvParam, // depends on action to be taken
UINT fWinIni // user profile update flag);
}