Qt编译报错：“Signal and slot arguments are not compatible ”当信号

website signal and slot arguments are not compatible not; Descriptive Phrases + Algorithm Conventions 1 Abstract Arguments Exotic Objects ; signal slot The signal and slot specifications should have the argument types, but not the arguments themselves Get Application Development with Qt Creator

signal and slot arguments are not compatible 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  Since the signatures are compatible, 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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