目錄選取界面

Uses FileCtrl

function SelectDirectory(var Directory: string;
  Options: TSelectDirOpts; HelpCtx: Longint): Boolean; overload;

function SelectDirectory(const Caption: string; const Root: WideString;
  var Directory: string; Options: TSelectDirExtOpts = [sdNewUI]; Parent: TWinControl = nil): Boolean; overload;

function SelectDirectory(const StartDirectory: string; out Directories: TArray<string>; Options: TSelectDirFileDlgOpts = [];
  const Title: string = ''; const FolderNameLabel: string = ''; const OkButtonLabel: string = ''): Boolean; overload;


TSelectDirOpt = (sdAllowCreate, sdPerformCreate, sdPrompt);
TSelectDirOpts = set of TSelectDirOpt;

TSelectDirExtOpt = (sdNewFolder, sdShowEdit, sdShowShares, sdNewUI, sdShowFiles, sdValidateDir);
TSelectDirExtOpts = set of TSelectDirExtOpt;

TSelectDirFileDlgOpt = (sdHidePinnedPlaces, sdNoDereferenceLinks, sdForceShowHidden, sdAllowMultiselect);
TSelectDirFileDlgOpts = set of TSelectDirFileDlgOpt;

idFTP 檢查FTP目錄是否存在

uses IdFTP, IdGlobal, IdFTPCommon, IdAllFTPListParsers;

function fn_FtpDirectoryExists(AidFTP:TidFTP; ADir:String): Boolean;
var index:Integer;
begin
  Index:=0;
  Result := False;
  try
    AidFTP.List;
    if Assigned(AidFTP.DirectoryListing) and (AidFTP.DirectoryListing.Count>0) then
    begin
      while Index<AidFTP.DirectoryListing.Count do
      begin
        with AidFTP.DirectoryListing.Items[Index] do
        begin
          if (trim(FileName)=trim(ADir)) and (ItemType = ditDirectory) then
          begin
            Result:=true;
            Exit;
          end;
        end;
        Index:=Index+1;
      end;
    end;
  except
    Result := False;
  end;
end;