[Electronic_Arts]

Строковый параметр из реестра читаеться так

Код:

function RegQueryStr(RootKey: HKEY; Key, Name: string;
  Success: PBoolean = nil): string;
var
  Handle: HKEY;
  Res: LongInt;
  DataType, DataSize: DWORD;
begin
  if Assigned(Success) then
    Success^ := False;
  Res := RegOpenKeyEx(RootKey, PChar(Key), 0, KEY_QUERY_VALUE, Handle);
  if Res <> ERROR_SUCCESS then
    Exit;
  Res := RegQueryValueEx(Handle, PChar(Name), nil, @DataType, nil, @DataSize);
  if (Res <> ERROR_SUCCESS) or (DataType <> REG_SZ) then
  begin
    RegCloseKey(Handle);
    Exit;
  end;
  SetString(Result, nil, DataSize - 1);
  Res := RegQueryValueEx(Handle, PChar(Name), nil, @DataType,
    PByte(@Result[1]), @DataSize);
  if Assigned(Success) then
    Success^ := Res = ERROR_SUCCESS;
  RegCloseKey(Handle);
end;

procedure TForm1.Button1Click(Sender: TObject);
var
Str:String;
begin
str:=RegQueryStr(HKEY_CURRENT_USER, 'Control Panel\Desktop\WindowMetrics', 'MenuHeight');
ShowMessage(Str);
end;