建立快捷方式的函数: CreateShortcut

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

uses
  ShlObj, ActiveX, ComObj; {该函数使用的单元}

{函数说明:}
{第一个参数是要建立快捷方式的文件, 这是必须的; 其他都是可选参数}
{第二个参数是快捷方式名称, 缺省使用参数一的文件名}
{第三个参数是指定目的文件夹, 缺省目的是桌面; 如果有第四个参数, 该参数将被忽略}
{第四个参数是用常数的方式指定目的文件夹; 该系列常数定义在 ShlObj 单元, CSIDL_ 打头}
function CreateShortcut(Exe:string; Lnk:string = ''; Dir:string = ''; ID:Integer = -1):Boolean;
var
  IObj: IUnknown;
  ILnk: IShellLink;
  IPFile: IPersistFile;
  PIDL: PItemIDList;
  InFolder: array[0..MAX_PATH] of Char;
  LinkFileName: WideString;
begin
  Result := False;
  if not FileExists(Exe) then Exit;
  if Lnk = '' then Lnk := ChangeFileExt(ExtractFileName(Exe), '');

  IObj := CreateComObject(CLSID_ShellLink);
  ILnk := IObj as IShellLink;
  ILnk.SetPath(PChar(Exe));
  ILnk.SetWorkingDirectory(PChar(ExtractFilePath(Exe)));

  if (Dir = '') and (ID = -1) then ID := CSIDL_DESKTOP;
  if ID > -1 then
  begin
    SHGetSpecialFolderLocation(0, ID, PIDL);
    SHGetPathFromIDList(PIDL, InFolder);
    LinkFileName := Format('%s\%s.lnk', [InFolder, Lnk]);
  end else
  begin
    Dir := ExcludeTrailingPathDelimiter(Dir);
    if not DirectoryExists(Dir) then Exit;
    LinkFileName := Format('%s\%s.lnk', [Dir, Lnk]);
  end;

  IPFile := IObj as IPersistFile;
  if IPFile.Save(PWideChar(LinkFileName), False) = 0 then Result := True;
end; {CreateShortcut 函数结束}


{测试 1: 把当前程序在桌面上建立快捷方式}
procedure TForm1.Button1Click(Sender: TObject);
begin
  CreateShortcut(Application.ExeName);
end;

{测试 2: 在桌面上建立快捷方式, 同时指定快捷方式名称}
procedure TForm1.Button2Click(Sender: TObject);
begin
  CreateShortcut(Application.ExeName, 'NewLinkName');
end;

{测试 3: 在 C:\ 下建立快捷方式}
procedure TForm1.Button3Click(Sender: TObject);
begin
  CreateShortcut(Application.ExeName, '', 'C:\');
end;

{测试 3: 在开始菜单的程序文件夹下建立快捷方式}
procedure TForm1.Button4Click(Sender: TObject);
begin
  CreateShortcut(Application.ExeName, '', '', CSIDL_PROGRAMS);
end;

end.


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