删除键值的DeleteKey()怎么删除不了键值??(50分)

Reg := TRegistry.Create();
try
Reg.RootKey := HKEY_LOCAL_MACHINE;
Reg.OpenKey('/SOFTWARE/Microsoft/Windows/CurrentVersion/Run', True);
Reg.DeleteKey('Test1');
finally
Reg.CloseKey();
Reg.Free();
end;

为何删除不了Test1??

reg.deletevalue('Test1');

接受答案了.