ObjectWrap.connectActiveDescendantChanged

gulong connectActiveDescendantChanged(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] :  atk.object.ObjectWrap)))
   && (Parameters!T.length <  2 || (ParameterStorageClassTuple!T[1]  ==  ParameterStorageClass.none &&  is(Parameters!T[1] :  atk.object.ObjectWrap)))
   &&  Parameters!T.length <  3)

Connect to ActiveDescendantChanged signal.

The "active-descendant-changed" signal is emitted by an object which has the state ATK_STATE_MANAGES_DESCENDANTS when the focus object in the object changes. For instance, a table will emit the signal when the cell in the table which has focus changes.

Parameters

`detail`	Signal detail or null (default)
`callback`	signal callback delegate or function to connect `void callback(atk.object.ObjectWrap arg1, atk.object.ObjectWrap objectWrap)` `arg1` the newly focused object. (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