Qt断开信号与槽

关于信号与槽的研究

DisConnect:

bool QObject::disconnect(const QObject * sender, const char * signal, const QObject * receiver, const char *method) [static]

1.    Disconnect everything connected to an object's signals:

取消某个对像的所有的信号连接：

disconnect(myObject,0,0,0);

equivalent to the non-static overloaded function

等价于：

myObject->disconnect();

2.    Disconnect everything connected to a specific signal:

取消某个信号与它对应槽的所有连接：

disconnect(myObject, SIGNAL(mySignal()),0,0);

equivalent to the non-static overloaded function

等价于：

myObject->disconnect(SIGNAL(mySignal()));

3.    Disconnect a specific receiver:

断开某个接收对象的连接：

disconnect(myObject,0, myReceiver,0);

equivalent to the non-static overloaded function

等价于：

myObject->disconnect(myReceiver);