autorun

#include <windows.h>
#include <iostream.h>



int main()


{
        cout << "Hello World";


HKEY hKey;


    // The path of your exe file. If you have a long path,
    // change the number of elements in the array.
    unsigned char PathToFile[20]="C:\\hello2.exe";


    // The directory of registry to be opened.
    RegOpenKeyEx(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",0,
    KEY_SET_VALUE,&hKey );


    // Set the Value which is the directory of your exe file.
    RegSetValueEx(hKey, "hello world",0,REG_SZ,PathToFile,sizeof(PathToFile));


    //Close key.
    RegCloseKey(hKey);



   return 0;
}