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delphi 建立快捷方式的函数: CreateShortcut

作者:admin 来源:未知 日期:2010/5/3 21:56:44 人气: 标签:

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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