open_multiple
Description:
This function initiates a multi-file selection operation by presenting a file chooser dialog to the user.
The file chooser will initially be opened in the directory [property@Gtk.FileDialog:initial-folder].
The callback
will be called when the dialog is dismissed. It should call [method@Gtk.FileDialog.open_multiple_finish] to obtain
the result.
Parameters:
this |
a `GtkFileDialog` |
parent |
the parent `GtkWindow` |
cancellable |
a `GCancellable` to cancel the operation |
callback |
a callback to call when the operation is complete |
user_data |
data to pass to |