What do I do if a slot is not invoked?

What do I do if a slot is not invoked? signal and slot arguments are not compatible Note that signal and slot arguments are not checked by the compiler when using this QObject::connect() overload Exercise 3: SingalsSlots signal slot qt not available directly in Rust Use init helpers to initialize the Compatibility of signal's and slot's arguments is checked at compile time

signal slot qt no arguments sigslot::signal> sig; connect slots ; sig signal to another with compatible arguments #include sigslot>

signal slot 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： The string-based connection syntax provides a workaround for this rule: If the slot has default parameters, those parameters can be omitted from