I've an application to migrate from Qt3 to Qt4...I've see this dochttp://doc.trolltech.com/4.4/porting4.html but I've just some problems with the includes...I've added at my project:
..\include\Qt3Support
..\include\QtCore
..\include\QtGui
..\include\
but it seem still don't recognize some objects, why? Some tricks and tips?