Warning: file_get_contents(/data/phpspider/zhask/data//catemap/6/google-chrome/4.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
C++ 在Qt[C+;+;]中将布局添加到另一个布局中_C++ - Fatal编程技术网

C++ 在Qt[C+;+;]中将布局添加到另一个布局中

C++ 在Qt[C+;+;]中将布局添加到另一个布局中,c++,C++,谁能告诉我为什么会出错以及如何修复它 QGridLayout* mainLayout = new QGridLayout; QGridLayout *leftLayout = new QGridLayout; QGridLayout *rightLayout = new QGridLayout; mainLayout->addLayout(leftLayout); mainLayout->addLayou

谁能告诉我为什么会出错以及如何修复它

        QGridLayout* mainLayout = new QGridLayout;
        QGridLayout *leftLayout = new QGridLayout;
        QGridLayout *rightLayout = new QGridLayout;
        mainLayout->addLayout(leftLayout);
        mainLayout->addLayout(rightLayout);
        setLayout(mainLayout);
我得到的错误是: '错误:调用'QGridLayout::addLayout(QGridLayout*&')时没有匹配的函数
感谢您的帮助。

Qt4参考说明:

void addLayout(QLayout*布局,int 行,int列,Qt::对齐 对齐=0)

所以你必须做:

mainLayout->addLayout(leftLayout, 0, 0);
mainLayout->addLayout(rightLayout, 0, 1);

它给了我一个错误,说我提供了指向指针的ref作为参数?可能是因为编译器首先尝试通过引用传递参数。但是,如果您像我向您展示的那样传递正确的参数,您将不会再看到错误(我预期)。