FileChooserWidget.connectUpFolder

gulong connectUpFolder(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] :  gtk.file_chooser_widget.FileChooserWidget)))
   &&  Parameters!T.length <  2)

Connect to UpFolder signal.

The ::up-folder signal is a [keybinding signal][GtkBindingSignal] which gets emitted when the user asks for it.

This is used to make the file chooser go to the parent of the current folder in the file hierarchy.

The default binding for this signal is Alt + Up.

Parameters

`callback`	signal callback delegate or function to connect `void callback(gtk.file_chooser_widget.FileChooserWidget fileChooserWidget)` `fileChooserWidget` 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