Qt5 Tutorial Signals and Slots - 2020

Qt编译错误：Signal and slot arguments are not compatible 原创 signal and slot arguments are not compatible signal without arguments: from import QObject, pyqtSignal class Foo: # Define a new signal called 'trigger' that has no arguments signal slot qt If it is not powered on, run the power on slot slot-id command in the Slave mpu is not compatible with the master, and power off board

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