的时候,编译器却会报错: no matching function for call to 'QObject::connect(QSpinBox*&, <unresolved overloaded function type>, QSlider*&, void (QAbstractSlider::*)(int)) 这是怎么回事呢?从出错信息可以看出,编译器认为 QSpinBox::valueChanged 是一个 overloaded 的函数。我们看一下 QSpinBox 的文档发...
no matching functionfor call to QObject::connect(QSpinBox*&, <unresolved overloaded function type>, QSlider*&, void (QAbstractSlider::*)(int)) 解决方法 1、强制类型转换 connect(ui->spinBox_luminosity,static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged), ui->horizontalSlider_luminosity...
no matching function for call to 'QObject::connect(QSpinBox*&, <unresolved overloaded function type>, QSlider*&, void (QAbstractSlider::*)(int))' 这是怎么回事呢?从出错信息可以看出,编译器认为QSpinBox::valueChanged是一个 overloaded 的函数。我们看一下QSpinBox的文档发现,QSpinBox的确有两个信号: vo...
no known conversion for argument2from'<unresolved overloaded function type>'to'void (*)(RTSPClient*, int, char*)'../CameraProva/CameraStream.cpp:118:124: error: no matching function for call to'RTSPClient::sendPlayCommand(MediaSession&, <unresolved overloaded function type>, char*, char*)'...
no matching function for call to 'QObject::connect(QSpinBox*&, <unresolved overloaded function type>, QSlider*&, void (QAbstractSlider::*)(int))' 这是怎么回事呢?从出错信息可以看出,编译器认为QSpinBox::valueChanged是一个 overloaded 的函数。我们看一下QSpinBox的文档发现,QSpinBox的确有两个信号: l...
error: no matching functionforcall to'Dialog::create_spinbox_column(const int&, QFrame*&, QLabel* [8], QLabel* [8], <unresolved overloaded function type>)'callback_with_id); ^ I'm sure I'm doing more than one thing wrong here, would be grateful for any feedback. ...
但 是,当我们直接写 Language: C++ (Qt) 0QObject::connect (spinBox, QSpinBox::valueChanged, slider, QSlider::setValue); 的时候,编译器却会报错: no matching function for call to QObject::connect(QSpinBox*, unresolved overloaded function type, QSlider*, void (QAbstractSlider::*)(int)) 这...
C:\Users\Administrator\Documents\untitled5\main.cpp:12: error: no match for 'operator<<' (operand types are 'QDebug' and '<unresolved overloaded function type>') qDebug()<<i.next; ^auqfyanjun 初涉江湖 1 头文件加了没#include <QDebug> ...
"Unresolved external symbol _ucm_instantiate" The server does not export an implementation of aQAxFactory. Use theQAXFACTORY_EXPORT() macro in one of the project's implementation files to instantiate and export a factory, or use theQAXFACTORY_DEFAULT() macro to use the default factory. ...
QImage::Format_ARGB32_Premultiplied);error: no matching function for call to ‘run(QImage*, <unresolved overloaded function type>, Qt::GlobalColor)’ 10 | QFuture<void> future 浏览47提问于2020-03-06得票数 1 回答已采纳 1回答 msys2静态QT未定义引用问题 、、 g++ -static -Wl,-subsystem,win...