QProcess failed to start: the file name or extension is too long. Then I changed the path for other more short, I saw how the n will be more higher before crash, I did more QProcess but not all. I dont understand why I can't do a number of infinites QProcess if I ...
When I try to run the Qt Application I get the error that the process "Failed To Start". With no other clues, I was wondering if anyone here could help me. In order to run my Qt Application I just press play in QtCreator, in case that has anything to do with it. windows qt Sha...
QProcess::FailedToStart 0 进程启动失败 QProcess::Crashed 1 进程成功后崩溃 QProcess::Timedout 2 最后一次调用waitFor...()函数超时。此时QProcess状态不变,并可以再次调用waitFor...()类型的函数 QProcess::WriteError 3 向进程中写入数据时出错。如进程尚未启动,或者输入通道被关闭时。 QProcee::ReadError...
enter function MainWindow::on_pushButton_2_clicked 启动失败 error: "Process failed to start: 系统找不到指定的文件。" 这样的话,就知道错误了,也不会进入死循环了,这也说明,如果想得到程序返回的结果,waitForStarted()与waitForFinished()两个函数都不可少。
QProcess::FailedToStart 0 QProcess::Crashed 1 QProcess::Timedout 2 最后一次调用waitFor...()函数超时.此时QProcess状态不变,并可以再次 调用waitFor()类型的函数 QProcess::WriteError 3 QProcess::ReadError 4 QProcess::UnknownError 5 未知错误.这也是error()函数返回的默认值。
void myWidget::startProcess() { process->start("E:\\a\\b.exe"); } void myWidget::processError(QProcess::ProcessError error) { switch(error) { case QProcess::FailedToStart: QMessageBox::information(0,"FailedToStart","FailedToStart"); ...
COMBINED_ARGUMENT_START)voidQProcess::start(constQString&command,OpenMode mode){QStringList args=parseCombinedArgString(command);if(args.isEmpty()){Q_D(QProcess);d->setErrorAndEmit(QProcess::FailedToStart,tr("No program defined"));return;}constQString prog=args.takeFirst();start(prog,args...
start notepad++ file.txt 如果我在终端上运行此命令,一切都正常,但如果我使用QProcess,则会发出错误FailedToStart的信号errorOccured()。 这是我的代码: QProcess* process = new QProcess; QObject::connect(process, &QProcess::errorOccurred, this, [process](QProcess::ProcessError e) ...
QProcess::FailedToStart 0 进程启动失败 QProcess::Crashed 1 进程成功后崩溃 QProcess::Timedout 2 最后一次调用waitFor...()函数超时。此时QProcess状态不变,并可以再次调用waitFor...()类型的函数 QProcess::WriteError 3 向进程中写入数据时出错。如进程尚未启动,或者输入通道被关闭时。
QProcess::FailedToStart 0 进程启动失败 QProcess::Crashed 1 进程成功后崩溃 QProcess::Timedout 2 最后一次调用waitFor...()函数超时。此时QProcess状态不变,并可以再次调用waitFor...()类型的函数 QProcess::WriteError 3 向进程中写入数据时出错。如进程尚未启动,或者输入通道被关闭时。