Not sure if that is the same error, but you get a similar one if you try to rename the main class after you've created the project. Ie - if you follow along in the Qt 4 book, you get the error.
Nitesh wrote: > Hello Sarah, > Thank you for the help. I found everything correct as you stated. I just > couldn't find the error. So I followed along again and voila, it worked. > I might have done something run during the process. Thanks again. > > Nitesh > > 2009/7/27 Sarah Smith <[email protected] > <mailto:[email protected]>> > > Hi Nitesh, > > Check that you have: > > #include "ui_textfinder.h" > > at the top of textfinder.cpp. Normally QtCreator will have put this > declaration there for you. > > When QtCreator generates your textfinder.h it will put > > namespace Ui { > class TextFinder; > }; > > at the top - this just forward declares Ui::TextFinder > - it will show up as an undefined type until the header is included. > > If the #include is present, then check that you named the class in > your ui form correctly - it is case sensitive and should be exactly > "TextFinder" in the first line of the property sheet. > > Hope that helps, > > Sarah Smith > > On 27/07/2009, at 4:07 AM, ext Nitesh wrote: > >> I am new to Qt. I was trying around Qt Creator. I did exactly what >> its been wriiten here >> >> >> http://doc.qtsoftware.com/qtcreator-1.2/creator-writing-program.html >> >> but when I try to build it . I get this error. This is the first >> error. I don't seem to find a solution. >> >> C:/qtprojects/TextFinder/textfinder.cpp:9: error: invalid use of >> undefined type `struct Ui::TextFinder' >> >> >> Why is it showing error? >> >> >> Thanks in advance for your help. >> >> Nitesh >> <ATT00001.txt> > > > _______________________________________________ > Qt-creator mailing list > [email protected] <mailto:[email protected]> > http://lists.trolltech.com/mailman/listinfo/qt-creator > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Qt-creator mailing list > [email protected] > http://lists.trolltech.com/mailman/listinfo/qt-creator -- Jonathan Arnold Webstream: http://hieronymus.soup.io "When a man's best friend is his dog, that dog has a problem." -- Edward Abbey _______________________________________________ Qt-creator mailing list [email protected] http://lists.trolltech.com/mailman/listinfo/qt-creator
