September 2004
Intermediate to advanced
408 pages
7h 25m
English
Content preview from The .NET Developer's Guide to Windows SecurityBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 72. How to Programmatically Lock the Console
Have you ever configured your screensaver to require a password or, on Windows XP, to “show the Welcome screen”? I've seen some special-purpose programs that need to implement similar behavior: locking the interactive console under certain conditions. It's easy to do, so I've included it here. The function you need to call is in Win32, and it's called LockWorkstation. Here's a C# program that locks the console when run:
using System.Runtime.InteropServices;
class LockItUp {
static void Main() {
LockWorkStation();
}
[DllImport("user32.dll")]
static extern void LockWorkStation();
}
After this program runs, the default desktop will be hidden and the Winlogon desktop will be displayed. All programs ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.