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...retrieve a shortcut's link information ?
Autor: Thomas Stutz
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Tip Rating (29):  
     




uses
  
ShlObj,
  ComObj,
  ActiveX,
  CommCtrl;

type
  
PShellLinkInfoStruct = ^TShellLinkInfoStruct;
  TShellLinkInfoStruct = record
    
FullPathAndNameOfLinkFile: array[0..MAX_PATH] of Char;
    FullPathAndNameOfFileToExecute: array[0..MAX_PATH] of Char;
    ParamStringsOfFileToExecute: array[0..MAX_PATH] of Char;
    FullPathAndNameOfWorkingDirectroy: array[0..MAX_PATH] of Char;
    Description: array[0..MAX_PATH] of Char;
    FullPathAndNameOfFileContiningIcon: array[0..MAX_PATH] of Char;
    IconIndex: Integer;
    HotKey: Word;
    ShowCommand: Integer;
    FindData: TWIN32FINDDATA;
  end;

procedure GetLinkInfo(lpShellLinkInfoStruct: PShellLinkInfoStruct);
var
  
ShellLink: IShellLink;
  PersistFile: IPersistFile;
  AnObj: IUnknown;
begin
  
// access to the two interfaces of the object
  
AnObj       := CreateComObject(CLSID_ShellLink);
  ShellLink   := AnObj as IShellLink;
  PersistFile := AnObj as IPersistFile;

  // Opens the specified file and initializes an object from the file contents.
  
PersistFile.Load(PWChar(WideString(lpShellLinkInfoStruct^.FullPathAndNameOfLinkFile)), 0);
  with ShellLink do
  begin
    
// Retrieves the path and file name of a Shell link object.
    
GetPath(lpShellLinkInfoStruct^.FullPathAndNameOfFileToExecute,
      SizeOf(lpShellLinkInfoStruct^.FullPathAndNameOfLinkFile),
      lpShellLinkInfoStruct^.FindData,
      SLGP_UNCPRIORITY);

    // Retrieves the description string for a Shell link object.
    
GetDescription(lpShellLinkInfoStruct^.Description,
      SizeOf(lpShellLinkInfoStruct^.Description));

    // Retrieves the command-line arguments associated with a Shell link object.
    
GetArguments(lpShellLinkInfoStruct^.ParamStringsOfFileToExecute,
      SizeOf(lpShellLinkInfoStruct^.ParamStringsOfFileToExecute));

    // Retrieves the name of the working directory for a Shell link object.
    
GetWorkingDirectory(lpShellLinkInfoStruct^.FullPathAndNameOfWorkingDirectroy,
      SizeOf(lpShellLinkInfoStruct^.FullPathAndNameOfWorkingDirectroy));

    // Retrieves the location (path and index) of the icon for a Shell link object.
    
GetIconLocation(lpShellLinkInfoStruct^.FullPathAndNameOfFileContiningIcon,
      SizeOf(lpShellLinkInfoStruct^.FullPathAndNameOfFileContiningIcon),
      lpShellLinkInfoStruct^.IconIndex);

    // Retrieves the hot key for a Shell link object.
    
GetHotKey(lpShellLinkInfoStruct^.HotKey);

    // Retrieves the show (SW_) command for a Shell link object.
    
GetShowCmd(lpShellLinkInfoStruct^.ShowCommand);
  end;
end;

procedure TForm1.Button1Click(Sender: TObject);
const
  
br = #13#10;
var
  
LinkInfo: TShellLinkInfoStruct;
  s: string;
begin
  
FillChar(LinkInfo, SizeOf(LinkInfo), #0);
  LinkInfo.FullPathAndNameOfLinkFile := 'C:\WINNT\Profiles\user\Desktop\FileName.lnk';
  GetLinkInfo(@LinkInfo);
  with LinkInfo do
    
s := FullPathAndNameOfLinkFile + br +
      FullPathAndNameOfFileToExecute + br +
      ParamStringsOfFileToExecute + br +
      FullPathAndNameOfWorkingDirectroy + br +
      Description + br +
      FullPathAndNameOfFileContiningIcon + br +
      IntToStr(IconIndex) + br +
      IntToStr(LoByte(HotKey)) + br +
      IntToStr(HiByte(HotKey)) + br +
      IntToStr(ShowCommand) + br +
      FindData.cFileName + br +
      FindData.cAlternateFileName;
  Memo1.Lines.Add(s);
end;

// Only for D3 or higher.
// for D1,D2 users: http://www.hitekdev.com/delphi/shellutlexamples.html


 

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