Re: riched20: Avoid releasing a non-existent interface.

[Jactry Zeng]

2014-04-17 16:20 GMT+08:00 Nikolay Sivov :
> It's possible that new instance will be returned after selection changed.

This way you'll end up with two alive instances.
>

No. According these test:
https://github.com/Jactry/wine/commit/4e0c5e8f2f169560ef8d8d7ae0d0620b8ddcd1...
GetSelection will not return a new instance after selection changed.
> Another thing to test if ITextDocument responds to IID_ITextSelection

query.
> > I will try some other ways to fix this bug.
>
> First thing to do is to figure out what relations are between these

interfaces.

You are right, I need having more tests.