Using SetPriorityClass function, you can set priority level of your running application. Same functionality is in the Task Manager (just rightclick the process in the list and select priority level).

If your application is minimized and you still want to alert user, you should flash icon on taksbar instead of bring your application to front. Here is how to do it…

Using the RegisterHotKey function and few other lines of code, you can register a global system hotkey, which is active even if your application is minimized.

When Windows are being shutdown or restarted, all runnig applications are closed of course. This can be dangerous, because you can lost your unsaved documents. But there is an easy way to detect, that Windows wants to shutdown and your application can do everything necessary to close properly.

The Start button will be still visible, but not clickable. Completely useless trick.

Just few lines of code to hide and show Windows taskbar programmatically.

If you want to run default system screensaver from your application, it’s really easy. Just few lines of code. Here’s how to do it…