WebSep 29, 2024 · errorString () 将提供错误的描述。 3、 url : url 用于构造组件的 URL。 三、信号成员 1、 completed () 在对象被实例化后发出。 这可用于在启动时执行脚本代码。 Rectangle { Component. onCompleted: console. log ( "Completed Running!") Rectangle { Component. onCompleted: console. log ( "Nested Completed Running!") } } 2、 … WebFeb 4, 2015 · Even if it would return the error text, it wouldn't be very helpful in this case, because the text seems to be "The operating system cannot run %1." It seems that this is …
C++ (Cpp) HString Examples
Webvoid WindowSystem::handleConnectionError () { QTcpSocket *connection = qobject_cast (sender ()); qWarning () << connection-> errorString (); } 开发 … WebAug 28, 2024 · QString QSqlError::nativeErrorCode() const 返回特定于数据库的错误码，如果不能确定则返回空字符串。 QString QSqlError::text() const 这是一个方便的函数，它返回databaseText ()和driverText ()连接成的一个字符串。 ErrorType QSqlError::type() const 返回错误类型，如果不能确定错误类型则返回-1。 bool QSqlError:: operator != ( const … homeschool reading list by grade
qt中的英文errorstring能变成中文显示吗 - 百度知道
WebFeb 26, 2012 · When you "list all members of QNertworkReply": http://developer.qt.nokia.com/doc/qt-4.8/qnetworkreply-members.html there is an entry … WebNov 11, 2012 · #include "QString" MainWindow::MainWindow (QWidget *parent) : QMainWindow (parent), ui (new Ui::MainWindow) { Qstring list; ui->setupUi (this); } MainWindow::~MainWindow () { delete ui; } 但是在编译时报错 D:\Qt\qtcreator-2.5.2\UFIDA_U9_Navigator\mainwindow.cpp:9: 错误:'Qstring' was not declared in this … Webqt_error_string () uses strerror_r () to get the message corresponding to the error code. This function is available in two versions: a GNU version and a POSIX version (see … home school reading programs