How to use Signals & Slots

slot will be called with the signals parameters at the right time Connect signal to slot with derived parameter qt connect

connect; signal parameters to the lambda

qt slot signal You need to use lambda or to pass a argument to a slot Try this from functools import partial buttonbox = dialog

qt signal slot example Argument can be by typedefs or with different namespace specifier, and it works Possibility to automatically cast the types if there is