在uses里加上ImageHlp

procedure ListDLLFunctions(DLLName: String; List: TStrings);
type
  chararr = array [0..$FFFFFF] of Char;
  var
  H: THandle;
  I,
  fc: integer;
  st: string;
  arr: Pointer;
  ImageDebugInformation: PImageDebugInformation;
begin
  List.Clear;
  DLLName := ExpandFileName(DLLName);
  if FileExists(DLLName) then
  begin
    H := CreateFile(PChar(DLLName), GENERIC_READ, FILE_SHARE_READ or
      FILE_SHARE_WRITE, nil, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
    if H<>INVALID_HANDLE_VALUE then
      try
        ImageDebugInformation := MapDebugInformation(H, PChar(DLLName), nil, 0);
        if ImageDebugInformation<>nil then
          try
            arr := ImageDebugInformation^.ExportedNames;
            fc := 0;
            for I := 0 to ImageDebugInformation^.ExportedNamesSize - 1 do
              if chararr(arr^)[I]=#0 then
              begin
                st := PChar(@chararr(arr^)[fc]);
                if Length(st)>0 then
                  List.Add(st);
                if (I>0) and (chararr(arr^)[I-1]=#0) then
                  Break;
                fc := I + 1
              end
          finally
            UnmapDebugInformation(ImageDebugInformation)
          end
      finally
        CloseHandle(H)
      end
  end
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  List: TStrings;
  I: integer;
  S: String;

begin
  List := TStringList.Create;

  ListDLLFunctions('c:\windows\system\Abcsda.dll', List);
  showmessage(inttostr(list.count));
  S := 'List of functions';
  for I := 0 to List.Count - 1 do
    S := S + #13#10 + List[I];
  ShowMessage(S);

  List.Free
end;

//rock
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