Takeing a program out of ctrl alt delete?

How can I take a program out of the ctrl alt delete listing? And how can I completly disable ctrl alt delete?

Disable/Enabled CTRL ALT DEL:

Code:

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Private Declare Function SystemParametersInfo Lib _
"user32" Alias "SystemParametersInfoA" (ByVal uAction _
As Long, ByVal uParam As Long, ByVal lpvParam As Any, _
ByVal fuWinIni As Long) As Long

Sub DisableCtrlAltDelete(bDisabled As Boolean)
    Dim X As Long
    X = SystemParametersInfo(97, bDisabled, CStr(1), 0)
End Sub

'To disable Ctrl-Alt-Delete:
Call DisableCtrlAltDelete(True)

'To enable Ctrl-Alt-Delete:
Call DisableCtrlAltDelete(False)

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