[Qt-interest] What's the differences between Qt shared librariesand usual dlls?

[Sean Harmer]

Hi,

On Friday 21 May 2010 08:04:34 程梁 wrote:
> But someone told me that if you export classes, it maybe has many problems
> if your add virtual functions
> into the classes in the future. I'm a newbie in this area so I don't know
> whether he is right or not.

I think your friend is referring to maintaining binary compatibility in future 
versions of a library. Have a read of this for some techniques used by KDE and 
Qt to help with this:

http://techbase.kde.org/Policies/Binary_Compatibility_Issues_With_C++

Also good API design and plenty of code review before release obviously helps 
a lot :-)

Sean