Thema: Delphi GetSpecialFolder

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hathor
(Gast)

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#11

Re: GetSpecialFolder

  Alt 27. Mär 2008, 12:46
Es existieren nicht auf jedem PC alle Specialfolder.
Mit der letzten Codezeile kannst Du alle vorhandenen darstellen.

Delphi-Quellcode:
uses
  { ... },
  ActiveX, // IMalloc
  ShellAPI, // SHGetSpecialFolderLocation() und SHGetPathFromIDList()
  ShlObj; // CSIDL_-Konstanten
//fehlende CSIDL_-Konstanten kann man nach folgendem Muster definieren:
const CSIDL_COMMON_APPDATA = $0023;
      CSIDL_MYMUSIC = $0013;
      CSIDL_MYPICTURES = $0014; //FONTS
      CSIDL_LOCAL = $0022;
      CSIDL_SYSTEM = $0025;
      CSIDL_WINDOWS = $0024;
      CSIDL_PROGRAM_FILES = $0026;
      CSIDL_LOCAL_APPDATA = $001C;

function GetSpecialFolder(hWindow: HWND; Folder: Integer): String;
var
pMalloc: IMalloc;
pidl: PItemIDList;
Path: PChar;
begin
// get IMalloc interface pointer
if (SHGetMalloc(pMalloc) <> S_OK) then
begin
MessageBox(hWindow, 'Couldn''t get pointer to IMalloc interface.','SHGetMalloc(pMalloc)', 16);
Exit;
end;
// retrieve path
SHGetSpecialFolderLocation(hWindow, Folder, pidl);
GetMem(Path, MAX_PATH);
SHGetPathFromIDList(pidl, Path);
Result := Path;
FreeMem(Path);

// free memory allocated by SHGetSpecialFolderLocation
pMalloc.Free(pidl);
end;

function GetSpecialFolder2(FolderID : longint) : string;
var
Path : pchar;
idList : PItemIDList;
begin
GetMem(Path, MAX_PATH);
SHGetSpecialFolderLocation(0, FolderID, idList);
SHGetPathFromIDList(idList, Path);
Result := string(Path);
FreeMem(Path);
end;

function GetDrives: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_Drives));
end;

function GetMyMusic: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(13));
end;

function GetTmpInternetDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_INTERNET_CACHE));
end;

function GetCookiesDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_COOKIES));
end;

function GetHistoryDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_HISTORY));
end;

function GetDesktop: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_DESKTOP));
end;

function GetDesktopDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_DESKTOPDIRECTORY));
end;

function GetProgDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_PROGRAMS));
end;

function GetMyDocDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_PERSONAL));
end;

function GetFavDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_FAVORITES));
end;

function GetStartUpDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_STARTUP));
end;

function GetRecentDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_RECENT));
end;

function GetSendToDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_SENDTO));
end;

function GetStartMenuDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_STARTMENU));
end;

function GetNetHoodDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_NETHOOD));
end;

function GetFontsDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_FONTS));
end;

function GetTemplateDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_TEMPLATES));
end;

function GetAppDataDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_APPDATA));
end;

function GetPrintHoodDir: string;
begin
Result := IncludeTrailingBackslash(GetSpecialFolder2(CSIDL_PRINTHOOD));
end;

//damit kriegt man angezeigt, was auf dem eigenen PC möglich ist
//for i := 0 to 64 do Memo1.Lines.add(IntToStr(i)+' : '+ GetSpecialFolder(Form1.Handle,i));
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