Quote Originally Posted by Eduardo- View Post
I think I understand that you added the RightToLeft property to all controls that need to have a RightToLeftLayout property even if they are not displaying any text, just to standardize the controls properties and how they work.

The rule is: first set RightToLeft to True, then you are allowed to also set RightToLeftLayout to True.

Is that right?
Yes

Quote Originally Posted by Eduardo- View Post
But can I have any problem if I stay using the old version of the controls with the new version of OLEGuids.tlb?
Yes you can have problems. What's the reason to only update one thing but not the other?