Application.connectOpen

gulong connectOpen(T)(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] :  gio.file.File[])))
   && (Parameters!T.length <  2 || (ParameterStorageClassTuple!T[1]  ==  ParameterStorageClass.none &&  is(Parameters!T[1]  ==  string)))
   && (Parameters!T.length <  3 || (ParameterStorageClassTuple!T[2]  ==  ParameterStorageClass.none &&  is(Parameters!T[2] :  gio.application.Application)))
   &&  Parameters!T.length <  4)

Connect to Open signal.

The ::open signal is emitted on the primary instance when there are files to open. See [gio.application.Application.open] for more information.

Parameters

`callback`	signal callback delegate or function to connect `void callback(gio.file.File[] files, string hint, gio.application.Application application)` `files` an array of #GFiles (optional) `hint` a hint provided by the calling instance (optional) `application` 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