Quote Originally Posted by jnana
Now I am not able to create main.cpp file and also not able to add slots and signals to my created class. In qt-3 there is Object Explorer through which we can add signals and slots. Now I am not able to find all these facilities in qt-4.1.
Qt Designer 4 doesn't have them. The approach changed with Qt4. Designer no longer allows you to manage and edit code or create custom signals or slots. More info about it.