我需要从我的主窗口类,从QMainWindow类继承从主窗口外面一类的东西调用的方法是这样的: Q_ASSERT(QMetaObject::invokeMethod(mainWindow, "attachmentDownloadComplete"));
mainWindow是类MainWindow : public QMainWindow型 的错误是: no matching function
我试着在openSUSE下使用CMAKE编译我的项目来生成makefile。 现在,我得到了这个错误。有人可以帮助我吗? [ 18%] Building CXX object VSProjects/PROJECT/CMakeFiles/PROJECT.dir/src/Activity/ActivityFactory.cpp.o
In file included from /home/martin
在for循环中,我可以构造一个字符串。 foreach (...) {
QString str = "pushButton" + QString::number(count);
// this gives pushButton1
// Now I want to get the button widget that has this string as it's v