Sometimes we don't want the program to be interrupted by the user with ALT TAB, CTRL ALT DEL, CTRL ESC and other system function keys (such as automatic demos), then what to do? Prompt you, when running the screen saver, these function keys don't work - that is, as long as you run in your program, "deceive" Windows, make it self-righteous in the screen The protection status will become! Please see the following code:
VAR
Temp: integer;
Begin
SystemParametersInfo (SPI_Screensaverrunning, 1, @temp, 0);
END;
Of course, don't forget to restore settings at the end of the program, and wake up Windows. code show as below:
VAR
Temp: integer;
Begin
SystemParametersInfo (spi_screensaverrunning, 0, @temp, 0);
END;
