static assertion failed: Signal and slot arguments are not compatible

website signal and slot arguments are not compatible To summarize, the new syntax allows compile-time checking of the signals and slots It also allows automatic conversion of the arguments if they signal and slot signal without arguments: from import QObject, pyqtSignal class Foo: # Define a new signal called 'trigger' that has no arguments

signal and slot arguments are not compatible No, it is not possible to declare arguments in a slot using the connect function For signalsslots, the argument list of the slot must be the same arguments or  First, it allows the compiler to check that the signal's arguments are compatible with the slot's arguments Arguments can also be implicitly converted by the  QT编译错误: Signal and slot arguments are not compatible 原因如下： 信号和插槽参数不兼容。 当时把connect函数写成了这样子：

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