Disable control-alt-delete using C# [duplicate]

This question already has answers here: Closed 11 years ago.

Possible Duplicate:

Block Control+Alt+Delete

Is there any method to disable logoff,lock and taskmanager in ctrl+alt+del in C#

I am using the C# language for developing the software.How could I disable control-al开发者_C百科t-delete buttons?Is that possible?BTW,I am just wondering.