ObjectWrap.connectStateChange

gulong connectStateChange(T)(string detail =  null,  T callback,  Flag!"After" after =  No.After) if (isCallable!T
    &&  is(ReturnType!T ==  void)
   && (Parameters!T.length <  1 || (ParameterStorageClassTuple!T[0]  ==  ParameterStorageClass.none &&  is(Parameters!T[0]  ==  string)))
   && (Parameters!T.length <  2 || (ParameterStorageClassTuple!T[1]  ==  ParameterStorageClass.none &&  is(Parameters!T[1]  ==  bool)))
   && (Parameters!T.length <  3 || (ParameterStorageClassTuple!T[2]  ==  ParameterStorageClass.none &&  is(Parameters!T[2] :  atk.object.ObjectWrap)))
   &&  Parameters!T.length <  4)

Connect to StateChange signal.

The "state-change" signal is emitted when an object's state changes. The detail value identifies the state type which has changed.

Parameters

`detail`	Signal detail or null (default)
`callback`	signal callback delegate or function to connect `void callback(string arg1, bool arg2, atk.object.ObjectWrap objectWrap)` `arg1` The name of the state which has changed (optional) `arg2` A boolean which indicates whether the state has been set or unset. (optional) `objectWrap` the instance the signal is connected to (optional)
`after`	Yes.After to execute callback after default handler, No.After to execute before (default)

Returns

Signal ID