FileDialogGidBuilderImpl.defaultFilter
T defaultFilter(gtk.file_filter.FileFilter propval)Set defaultFilter property.
Parameters
propval | The default filter, that is, the filter that is initially active in the file chooser dialog. If the default filter is null, the first filter of [gtk.file_dialog.FileDialog.filters] is used as the default filter. If that property contains no filter, the dialog will be unfiltered. If [gtk.file_dialog.FileDialog.filters] is not null, the default filter should be part of the list. If it is not, the dialog may choose to not make it available. |
Returns
Builder instance for fluent chaining