在使用QObject::connect连接信号和槽时,如果信号携带了QTextCursor类型的参数,会遇到“cannot queue arguments of type 'QTextCursor'”的错误。 这是因为Qt的信号和槽机制在跨线程通信时,需要将参数放入队列中传递。而QTextCursor类型并没有被Qt的元对象系统注册为可传递的类型,因此无法被放入队列中。 要解决这个...
本文链接地址: Qt程序错误“QObject::connect: Cannot queue arguments of type ‘QTextCursor’”的解决方法 1. 运行情景当我在一个窗口中添加了 QTextEdit 控件,并在一个工作者线程中直接调用了 QTextEdit 的append函数,这个时候就会出现下面的错误: 1 2 3 QObject::connect: Cannot queue arguments of type...
def update(text): self.widget.setText(text) threading.Thread(target=run, args=(update, )).start() 但是如果将 QLineEdit换成QTextEdit,并使用了append方法就会得到以下错误: QObject::connect: Cannot queue arguments of type 'QTextCursor'(Make sure 'QTextCursor' is registered using qRegisterMetaType(...
QObject::connect: Cannot queue arguments of type 'QTextBlock'(Make sure 'QTextBlock' is registered using qRegisterMetaType().)QObject::connect: Cannot queue arguments of type 'QTextCursor'(Make sure 'QTextCursor' is registered using qRegisterMetaType().)libpng warning: iCCP: known incorrect sRG...
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Internal.NamedObject' to type 'Concept.UsergroupMasterDataSet'." "Unable to cast object of type 'System.Windows.Controls.TextBlock' to type 'System.Windows.Controls.Control'." While assigning stackpannel childrens(Controls) in to the Control i am getting this error (C# WPF)How could I hide ...
type 'Breakpoints' 153 | Breakpoints BP; | ^~ gdbserver.h:61:7: note: forward declaration of 'class Breakpoints' 61 | class Breakpoints: public vector<dword_t> { | ^~~~ avr8.h:504:9: error: 'queue' does not name a type 504 | queue <u8> uzeKbScanCodeQueue; | ^~~~ make[2...
Dashboard app unable to start, displaying error message. After starting the Cube.js development server $ npm run dev Navigate to "Dashboard App,” select "React Antd Static" with "Chart.js," and click on the “Create dashboard app” button...
本文链接地址:Qt程序错误“QObject::connect: Cannot queue arguments of type ‘QTextCursor’”的解决方法 1. 运行情景 当我在一个窗口中添加了 QTextEdit 控件,并在一个工作者线程中直接调用了 QTextEdit 的append函数,这个时候就会出现下面的错误:
Internal.NamedObject' to type 'Concept.UsergroupMasterDataSet'." "Unable to cast object of type 'System.Windows.Controls.TextBlock' to type 'System.Windows.Controls.Control'." While assigning stackpannel childrens(Controls) in to the Control i am getting this error (C# WPF)How could I hide ...