Prerequisite: Switch-case in C/C++
Problem Statement:
Write a menu-driven program to control your system such as shutdown, restart, log off, manual shutdown settings, abort the shutdown, and exit, using Switch-case.
Approach: The idea is to use system() in C. This function is used to invoke operating system commands from the C++ program.
In this program to use some system commands listed below:
-
Shutdown: To shutdown system, use system() function and command shutdown with option s as:
system("C:\\WINDOWS\\System32\\shutdown/s")
-
Restart: To restart system, use system() function and command shutdown with option r as:
system("C:\\WINDOWS\\System32\\shutdown/r")
-
Log off: To logoff system, use system() function and command shutdown with option l as:
system("C:\\WINDOWS\\System32\\shutdown/l")
-
Manual Shutdown: To manual shutdown system, use system() function and command shutdown with option i as:
system("C:\\WINDOWS\\System32\\shutdown/i")
-
Abort the Shutdown: To abort the shutdown system, use system() function and command shutdown with option a as:
system("C:\\WINDOWS\\System32\\shutdown/a")
Below implementation of the above system function and commands:
CPP
// Menu driven program in CPP to // system control using system() // function and command with option #include <iostream> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <windows.h> void printMenu();
// Function to shutdown the computer void shutDown()
{ // Tp clears the screen
system ( "cls" );
printf ( "\nshuttingg down..\n" );
// System function call to
// shutdown system
system ( "C:\\WINDOWS\\System32\\shutdown /s" );
// To clears the screen
system ( "cls" );
} // Function to restart the computer void reStart()
{ // Clears the screen
system ( "cls" );
printf ( "\nRestart in 30 seconds ..." );
// System function call to
// restart system
system ( "C:\\WINDOWS\\system32\\shutdown /r" );
} // Function to log off user void logOff()
{ // To clears the screen
system ( "cls" );
printf ( "\n Shutting down under 30 seconds... " );
// System function call to log off user
system ( "C:\\WINDOWS\\system32\\shutdown /l" );
} // Function to open manualShutdown // shutdown dialog box void manualShutdown()
{ // To clears the screen
system ( "cls" );
// System function call to manual shutdown
system ( "C:\\WINDOWS\\System32\\shutdown /i" );
} void abortShutdown()
{ // To clears the screen
system ( "cls" );
// System function call to aboart shutdown
system ( "C:\\WINDOWS\\System32\\shutdown /a" );
} // Function to take user choices and perform // the appropriate operation void selectMenu()
{ int choice;
printf ( "\n Enter your choice : " );
scanf ( "%d" , &choice);
switch (choice) {
case 1:
shutDown();
break ;
case 2:
reStart();
break ;
case 3:
logOff();
break ;
case 4:
manualShutdown();
break ;
case 5:
abortShutdown();
break ;
case 6:
printf ( "\n Exiting... \n\n" );
printf ( "Exiting in 3 seconds...\n" );
Sleep(3000);
exit (1);
default :
printf ( "\ninvalid choice Try again \n" );
printMenu();
}
} // Function to print all the menus void printMenu()
{ // Set output color to blue
// background and white foreground
system ( "color 1F" );
printf ( "\n" );
// Create Menu
printf ( "\xB2 \xB2\xB2\xB2\xB2\xB2\xB2\xB2"
"\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2"
"\xB2\xB2\xB2\xB2\xB2 SYSTEM CONTROL \xB2"
"\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2"
"\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2"
"\xB2\xB2 \xB2" );
printf ( "\n ______________________________"
"_________________________________" );
printf ( "\n|\t\t\t\t\t\t\t\t|" );
printf ( "\n|\t\t\t\t\t\t\t\t|" );
printf ( "\n|\t\t\t 1. Shutdown Computer \t\t\t|" );
printf ( "\n|\t\t\t 2. Restart Computer \t\t\t|" );
printf ( "\n|\t\t\t 3. Log off \t\t\t\t|" );
printf ( "\n|\t\t\t 4. Manual Shutdown Settings\t\t|" );
printf ( "\n|\t\t\t 5. Abort Shutdown \t\t\t|" );
printf ( "\n|\t\t\t 6. Exit \t\t\t\t|" );
printf ( "\n|\t\t\t\t\t\t\t\t|" );
printf ( "\n|\t\t\t\t\t\t\t\t|" );
printf ( "\n|\t\t\t\t\t\t\t\t|" );
printf ( "\n|\t\t\t\t\t\t\t\t|" );
printf ( "\n\xB2_________________________________"
"______________________________\xB2\n" );
// Function call for select options
selectMenu();
} // Driver Code int main()
{ // Function Call
printMenu();
return 0;
} |
Output:
Below is the Output of the above program:
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