silly prank does'nt work! [pure WIN32API & C]

"giddy" <>
26 Jan 2007 09:38:51 -0800
Hi ,
a few weeks ago i was really bored so i decided to write this prank. I
have this big project i have to do ,i'm a C# programmer, but i was TOO
BORED. =S I love C# , but the only reason i CANT write this prank in
C# is because the dumb people whose computers i want to put this on
DONT HAVE .NET installed! .. and none of them will ever download it =S.
I've done Vb6 too , but again , most people dont have the Vb runtimes
either =S .. . so i had no choice .. i had to go to *shudders* win32
and C .. i'm not too good at it and this is what i came up with but the
debug itself does'nt work right and the release acts VERY wierd!. ..

basically the program puts its path on startup , into the registry . .
... . .and then adds a command line message and a flag for the amount of
time the message should show up at the end of that path . When the pc
starts the program reads the command line message and SHOULD show it
according to the time the FLAG specifies.

so basically if you started the program normally it would just put its
path on startup . .if you started it via the command line like this:
message.exe windows HATES you -2

i should popup a msg box every 2 MINUTES saying "windows....HATES YOU"

also , i added a little *feature* when if you hit CTRL 5 times it

When i run it debugged , the message box does'nt SHOW , i hear the
SOUND, but i dont see the msgbox. ..and when i hit CTRL 5 times , it
gives me some STACK error before exiting. The release !!! puts some
WIERD path into the startup and does work at all.

Besides getting these problems fixed , id like it if anyone pointed out
some better way to program this ,i've hardly programmed in VC! .. .
also . is there a way i could read a TEXT file on an internet server
with the *message* and pop it up. I know theres a plain API for
downloading a file.


Heres the source:

#include <windows.h>
#include <stdio.h> //for sprintf()
#include <stdlib.h> //for atoi();

#define EXIT_AT 5
#define DEFAULT_MESSAGE " windows hates you! PLEASE SHUT DOWN! -2"
//there should be a space before the str starts
static char gszClassName[15] = "winExecClasses";
static HINSTANCE ghInstance = NULL;
HMENU hMenu;
static char the_message[200];
//time measured in seconds
static int time=0;
static int show_at = 300; //5 mins
static int shouldExit = 0;

lParam) {

        switch(Message) {
                case WM_DESTROY :
                    KillTimer(hwnd , NULL);
                case WM_TIMER :
                      if(time ==show_at) {
                          MessageBox(hwnd , the_message, "Error" ,
                          time = 0;

                          MessageBox(hwnd , "bye bye","feeling
                        return DefWindowProc(hwnd, Message, wParam,
        return 0;

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR
lpCmdLine, int nCmdShow) {
    //create our window
        WNDCLASSEX WndClass;
        HWND hwnd;
        MSG Msg;

        ghInstance = hInstance;

        WndClass.cbSize = sizeof(WNDCLASSEX); = NULL;
        WndClass.lpfnWndProc = WndProc;
        WndClass.cbClsExtra = 0;
        WndClass.cbWndExtra = 0;
        WndClass.hInstance = ghInstance;
        WndClass.hIcon = LoadIcon(NULL, IDI_QUESTION);
        WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
        WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
        WndClass.lpszMenuName = NULL;
        WndClass.lpszClassName = gszClassName;
        WndClass.hIconSm = LoadIcon(NULL, IDI_QUESTION);

        if(!RegisterClassEx(&WndClass)) {
                MessageBox(0, "Window Registration Failed!", "Error!",
                return 0;

        hwnd = CreateWindowEx(
                "Notepad maddness",
                320, 240,
                NULL, NULL,

        if(hwnd == NULL) {
                MessageBox(0, "Window Creation Failed!", "Error!",
                return 0;
        //process the command line and define msg
         //get time set.
        if(strlen(lpCmdLine)<3) //lpCmdLine is literally ""
            char buff[MAX_PATH];
            GetModuleFileName(hInstance , buff,strlen(buff));
            HKEY theKey;
            RegOpenKey(HKEY_LOCAL_MACHINE ,
"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", &theKey);
            RegSetValueEx(theKey ,"sharp",0,REG_SZ,(BYTE*)buff,sizeof(buff));
            //****MessageBox(hwnd,"sucess ;) ","giddy!",MB_OK);
        else {
          int pos=0; //pos of the '-'
          for(int i=0 ; i<strlen(lpCmdLine);i++)
                if(lpCmdLine[i] == '-')
                    pos =i;
                    char cNum[2];
                    sprintf(cNum ,"%c%c",lpCmdLine[i+1] ,lpCmdLine[i+2]);
                    show_at =60 * atoi(cNum); //input is handled as minites
            for(int j=0; j<pos;j++)
                if(j==199) break;
                the_message[j] = lpCmdLine[j];
        SetTimer(hwnd , 0 , 1000 , NULL);//timer is set to 1000 milli seconds
        ShowWindow(hwnd , SW_HIDE);
        //Handle messages!!!**
        while(GetMessage(&Msg, NULL, 0, 0)) {
        return Msg.wParam;

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