Windows startup shortcut

I am looking for a free component or code to 1. add a shortcut to / 2. delete the same shortcut from the windows startup folder for 9x, NT, 2000 & XP for the current user. The shortcut must start in a specified working directory and must be able to start with a startup parameter to it. Thanx in advance!
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Slick812Connect With a Mentor Commented:
hello  skynergy , , I have read over your question and your comments, you seem to want to create a short-cut in the current user's Start-Up folder? and then you posted code to create a shortcut in the startup folder, and you say that this code works - - - - OK that much I understand, , but then you say

"but it doesn't create a shortcut and set the Start In property"

which I do not really understand, about the "Start In property" and you say something about the  "Working directory", maybe these are the same thing? ?

anyway, you might could say more about what the shortcut that you create with that code, does not work or does not do, or the problem you have with it, is it just the working directory that you need in there? ?

Here is some code that is a function to create a shortcut -

function CreateLink(Path2Obj,Path2Link,WorkingDir,Path2Icon: string; IconNumber: Integer): Boolean;
IID_IPersistFile: TGUID = (D1:$0000010B;D2:$0000;D3:$0000;D4:($C0,$00,$00,$00,$00,$00,$00,$46));

sLink: IShellLink;
PersFile: IPersistFile;
  Result := false;
  if SUCCEEDED(CoCreateInstance(CLSID_ShellLink, nil,
               CLSCTX_INPROC_SERVER, IID_IShellLinkA, sLink)) then
    sLink.SetPath(PChar(Path2Obj)); // I think you can add a startup parameter to the string for an executable
    if Length(WorkingDir) > 2 then
    if DirectoryExists(WorkingDir) then
    sLink.SetWorkingDirectory(PChar(WorkingDir)); // sets the working diecrory
    if Length(Path2Icon) > 2 then
    if FileExists(Path2Icon) then
    sLink.SetIconLocation(PChar(Path2Icon),IconNumber); // not really needed most of the time
    if SUCCEEDED(sLink.QueryInterface(IID_IPersistFile,PersFile)) then
      Result := true;

 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
maybe something in this will help you?

I use an alternative to the usuall way in Delphi to do this with the

ShellObject := CreateComObject(CLSID_ShellLink);
  LinkFile    := ShellObject as IPersistFile;
  ShellLink   := ShellObject as IShellLink;

but that works also
for creating shortcuts take a look at:

removing a shortcut is  a simple file delete operation.
You can get the location of Startup folder from registry:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
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skynergyAuthor Commented:
Thanx for your reply but can you please provide all the code in this section (my question area). I would really appreciate that. I need the complete code because unluckily I do not have the time to figure out bits of code from various places. I need one complete procedure or a component that will do what I asked in my question. Thanx in advance!
Well, doing your work is not the same as helping.

I suggest you take a look at
skynergyAuthor Commented:
I have the following code in one of my units that I was using:
procedure CreateShortcut(FileName,Args: string;uninstall : boolean);
LPUnknown : IUnknown;
pShlLnk : IShellLink;
pszFileName : IPersistFile;
Dir,LinkName : string;
FullPath : WideString;
  LPUnknown := CreateComObject(CLSID_ShellLink);
  pShlLnk := LPUnknown as IShellLink;
  pszFileName := LPUnknown as IPersistFile;
  with TRegIniFile.Create('Software\MicroSoft\Windows\CurrentVersion\Explorer') do
         LinkName := ChangeFileExt(FileName, '.lnk');
         LinkName := ExtractFileName(LinkName);
         Dir := ReadString('Shell Folders', 'Startup', '');
         if Dir <> '' then
              FullPath := Dir + '\' + LinkName;
            if uninstall then
               pszFileName.Save(PWChar(FullPath), False);

It works but it doesn't create a shortcut and set the Start In property. That's why I asked in my question about the working directory for the Startup folder. I wasn't really asking you to do my work but merely to provide me with more complete code. I will have a look at the link that you provided. Thank you. I do however appreciate your help so far.
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