On Wednesday 20 June 2007 4:44 pm, luca72 wrote: > Hello > using qt3 i do the follow for paint some line in a frame > > gr = QPainter(self.frame3) > gr drawLine(30,10,30,490) > and the line is draw. > > Whit qt4 : > gr = QtGui.QPainter(self.frame3) > #gr.setPen(QtGui.QPen(QtCore.Qt.black, 1, QtCore.Qt.SolidLine)) > gr.drawLine(30,10,30,490) > and nothing is draw but i have no error > > The frame is the same with the same dimension and relative dimension. > > where is the error?
Impossible to tell with so little information. One guess is that Qt4 requires you to paint from a reimplementation of paintEvent(). Post a small but complete example to the PyQt mailing list. Phil -- http://mail.python.org/mailman/listinfo/python-list